623995478400 has 768 divisors, whose sum is σ = 2474555904000. Its totient is φ = 138004070400.

The previous prime is 623995478279. The next prime is 623995478413. The reversal of 623995478400 is 4874599326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 102073744 + ... + 102079856.

It is an arithmetic number, because the mean of its divisors is an integer number (3222078000).

Almost surely, 2^623995478400 is an apocalyptic number.

623995478400 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 623995478400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1237277952000).

623995478400 is an abundant number, since it is smaller than the sum of its proper divisors (1850560425600).

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

623995478400 is a wasteful number, since it uses less digits than its factorization.

623995478400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 623995478400 in words is "six hundred twenty-three billion, nine hundred ninety-five million, four hundred seventy-eight thousand, four hundred".