100401004442 has 16 divisors (see below), whose sum is σ = 151458757632. Its totient is φ = 49914844560.

The previous prime is 100401004393. The next prime is 100401004447. The reversal of 100401004442 is 244400104001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100401004447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2551763 + ... + 2590809.

It is an arithmetic number, because the mean of its divisors is an integer number (9466172352).

Almost surely, 2^100401004442 is an apocalyptic number.

100401004442 is a deficient number, since it is larger than the sum of its proper divisors (51057753190).

100401004442 is a wasteful number, since it uses less digits than its factorization.

100401004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46333.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100401004442 its reverse (244400104001), we get a palindrome (344801108443).

The spelling of 100401004442 in words is "one hundred billion, four hundred one million, four thousand, four hundred forty-two".