100425531400 has 96 divisors (see below), whose sum is σ = 247315019040. Its totient is φ = 37793346560.

The previous prime is 100425531379. The next prime is 100425531431. The reversal of 100425531400 is 4135524001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18313059 + ... + 18318541.

It is an arithmetic number, because the mean of its divisors is an integer number (2576198115).

Almost surely, 2^100425531400 is an apocalyptic number.

100425531400 is a gapful number since it is divisible by the number (10) 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 100425531400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123657509520).

100425531400 is an abundant number, since it is smaller than the sum of its proper divisors (146889487640).

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

100425531400 is a wasteful number, since it uses less digits than its factorization.

100425531400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10903 (or 10894 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 100425531400 in words is "one hundred billion, four hundred twenty-five million, five hundred thirty-one thousand, four hundred".