100435025140 has 24 divisors (see below), whose sum is σ = 210921973920. Its totient is φ = 40172406048.

The previous prime is 100435025123. The next prime is 100435025161. The reversal of 100435025140 is 41520534001.

It is a happy number.

It is a congruent number.

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, 501199 + ... + 672361.

It is an arithmetic number, because the mean of its divisors is an integer number (8788415580).

Almost surely, 2^100435025140 is an apocalyptic number.

100435025140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100435025140 is an abundant number, since it is smaller than the sum of its proper divisors (110486948780).

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

100435025140 is a wasteful number, since it uses less digits than its factorization.

100435025140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200511 (or 200509 counting only the distinct ones).

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

Adding to 100435025140 its reverse (41520534001), we get a palindrome (141955559141).

The spelling of 100435025140 in words is "one hundred billion, four hundred thirty-five million, twenty-five thousand, one hundred forty".