626046240 has 96 divisors (see below), whose sum is σ = 2035708416. Its totient is φ = 161556480.

The previous prime is 626046221. The next prime is 626046241. The reversal of 626046240 is 42640626.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 626046198 and 626046207.

It is not an unprimeable number, because it can be changed into a prime (626046241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6157 + ... + 35916.

It is an arithmetic number, because the mean of its divisors is an integer number (21205296).

Almost surely, 2^626046240 is an apocalyptic number.

626046240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626046240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017854208).

626046240 is an abundant number, since it is smaller than the sum of its proper divisors (1409662176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

626046240 is a wasteful number, since it uses less digits than its factorization.

626046240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42122 (or 42114 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 626046240 is about 25020.9160503767. The cubic root of 626046240 is about 855.4647861074.

Adding to 626046240 its reverse (42640626), we get a palindrome (668686866).

The spelling of 626046240 in words is "six hundred twenty-six million, forty-six thousand, two hundred forty".