42100015404 has 96 divisors (see below), whose sum is σ = 101803375296. Its totient is φ = 13532037120.

The previous prime is 42100015387. The next prime is 42100015427. The reversal of 42100015404 is 40451000124.

It is a happy number.

It is a super-2 number, since 2×42100015404² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25406544 + ... + 25408200.

It is an arithmetic number, because the mean of its divisors is an integer number (1060451826).

Almost surely, 2^42100015404 is an apocalyptic number.

It is an amenable number.

42100015404 is an abundant number, since it is smaller than the sum of its proper divisors (59703359892).

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

42100015404 is a wasteful number, since it uses less digits than its factorization.

42100015404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 42100015404 its reverse (40451000124), we get a palindrome (82551015528).

The spelling of 42100015404 in words is "forty-two billion, one hundred million, fifteen thousand, four hundred four".