626346164040 has 32 divisors (see below), whose sum is σ = 1879038492480. Its totient is φ = 167025643712.

The previous prime is 626346163967. The next prime is 626346164071. The reversal of 626346164040 is 40461643626.

It is a junction number, because it is equal to n+sod(n) for n = 626346163983 and 626346164001.

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, 2609775564 + ... + 2609775803.

It is an arithmetic number, because the mean of its divisors is an integer number (58719952890).

Almost surely, 2^626346164040 is an apocalyptic number.

626346164040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

626346164040 is an abundant number, since it is smaller than the sum of its proper divisors (1252692328440).

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

626346164040 is a wasteful number, since it uses less digits than its factorization.

626346164040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5219551381 (or 5219551377 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 626346164040 in words is "six hundred twenty-six billion, three hundred forty-six million, one hundred sixty-four thousand, forty".