623677098440 has 32 divisors (see below), whose sum is σ = 1530843788160. Its totient is φ = 226791672000.

The previous prime is 623677098437. The next prime is 623677098497. The reversal of 623677098440 is 44890776326.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

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, 708723536 + ... + 708724415.

It is an arithmetic number, because the mean of its divisors is an integer number (47838868380).

Almost surely, 2^623677098440 is an apocalyptic number.

It is an amenable number.

623677098440 is an abundant number, since it is smaller than the sum of its proper divisors (907166689720).

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

623677098440 is a wasteful number, since it uses less digits than its factorization.

623677098440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417447973 (or 1417447969 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 623677098440 in words is "six hundred twenty-three billion, six hundred seventy-seven million, ninety-eight thousand, four hundred forty".