100040402032 has 40 divisors (see below), whose sum is σ = 194807531520. Its totient is φ = 49767856320.

The previous prime is 100040402009. The next prime is 100040402057. The reversal of 100040402032 is 230204040001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 100040401997 and 100040402015.

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, 4666057 + ... + 4687447.

It is an arithmetic number, because the mean of its divisors is an integer number (4870188288).

Almost surely, 2^100040402032 is an apocalyptic number.

It is an amenable number.

100040402032 is a deficient number, since it is larger than the sum of its proper divisors (94767129488).

100040402032 is a wasteful number, since it uses less digits than its factorization.

100040402032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861 (or 22855 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 100040402032 its reverse (230204040001), we get a palindrome (330244442033).

The spelling of 100040402032 in words is "one hundred billion, forty million, four hundred two thousand, thirty-two".