626232240 has 120 divisors (see below), whose sum is σ = 2171015808. Its totient is φ = 161602560.

The previous prime is 626232223. The next prime is 626232241. The reversal of 626232240 is 42232626.

626232240 is a `hidden beast` number, since 626 + 2 + 32 + 2 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is not an unprimeable number, because it can be changed into a prime (626232241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8292 + ... + 36348.

Almost surely, 2^626232240 is an apocalyptic number.

626232240 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 626232240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085507904).

626232240 is an abundant number, since it is smaller than the sum of its proper divisors (1544783568).

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

626232240 is a wasteful number, since it uses less digits than its factorization.

626232240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28107 (or 28098 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 626232240 is about 25024.6326646367. The cubic root of 626232240 is about 855.5494980050.

Adding to 626232240 its reverse (42232626), we get a palindrome (668464866).

The spelling of 626232240 in words is "six hundred twenty-six million, two hundred thirty-two thousand, two hundred forty".