16255368400 has 60 divisors (see below), whose sum is σ = 40006087884. Its totient is φ = 6343552000.

The previous prime is 16255368377. The next prime is 16255368407. The reversal of 16255368400 is 486355261.

16255368400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 69422224 + 16185946176 = 8332^2 + 127224^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16255368407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479191 + ... + 511990.

Almost surely, 2^16255368400 is an apocalyptic number.

16255368400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16255368400 is an abundant number, since it is smaller than the sum of its proper divisors (23750719484).

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

16255368400 is a wasteful number, since it uses less digits than its factorization.

16255368400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991240 (or 991229 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 16255368400 in words is "sixteen billion, two hundred fifty-five million, three hundred sixty-eight thousand, four hundred".