626260040 has 64 divisors (see below), whose sum is σ = 1617580800. Its totient is φ = 213758208.

The previous prime is 626260003. The next prime is 626260049. The reversal of 626260040 is 40062626.

It is a junction number, because it is equal to n+sod(n) for n = 626259991 and 626260009.

It is not an unprimeable number, because it can be changed into a prime (626260049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59237 + ... + 69003.

It is an arithmetic number, because the mean of its divisors is an integer number (25274700).

Almost surely, 2^626260040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 626260040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808790400).

626260040 is an abundant number, since it is smaller than the sum of its proper divisors (991320760).

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

626260040 is a wasteful number, since it uses less digits than its factorization.

626260040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10014 (or 10010 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 626260040 is about 25025.1881111811. The cubic root of 626260040 is about 855.5621578047.

The spelling of 626260040 in words is "six hundred twenty-six million, two hundred sixty thousand, forty".