100557400 has 24 divisors (see below), whose sum is σ = 233796420. Its totient is φ = 40222880.

The previous prime is 100557389. The next prime is 100557409. The reversal of 100557400 is 4755001.

It is a super-2 number, since 2×100557400² = 20223581389520000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100557409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251194 + ... + 251593.

Almost surely, 2^100557400 is an apocalyptic number.

100557400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100557400 is an abundant number, since it is smaller than the sum of its proper divisors (133239020).

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

100557400 is a wasteful number, since it uses less digits than its factorization.

100557400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502803 (or 502794 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 100557400 is about 10027.8312710177. The cubic root of 100557400 is about 465.0196931576.

The spelling of 100557400 in words is "one hundred million, five hundred fifty-seven thousand, four hundred".