626262046440 has 32 divisors (see below), whose sum is σ = 1878786139680. Its totient is φ = 167003212352.

The previous prime is 626262046433. The next prime is 626262046451. The reversal of 626262046440 is 44640262626.

It is a super-2 number, since 2×626262046440² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 626262046392 and 626262046401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609425074 + ... + 2609425313.

It is an arithmetic number, because the mean of its divisors is an integer number (58712066865).

Almost surely, 2^626262046440 is an apocalyptic number.

626262046440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

626262046440 is an abundant number, since it is smaller than the sum of its proper divisors (1252524093240).

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

626262046440 is a wasteful number, since it uses less digits than its factorization.

626262046440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218850401 (or 5218850397 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 626262046440 in words is "six hundred twenty-six billion, two hundred sixty-two million, forty-six thousand, four hundred forty".