42115504401 has 24 divisors (see below), whose sum is σ = 63544118976. Its totient is φ = 26828477280.

The previous prime is 42115504397. The next prime is 42115504423. The reversal of 42115504401 is 10440551124.

42115504401 is a `hidden beast` number, since 4 + 2 + 115 + 504 + 40 + 1 = 666.

It is not a de Polignac number, because 42115504401 - 2² = 42115504397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42115504901) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 96231 + ... + 305763.

It is an arithmetic number, because the mean of its divisors is an integer number (2647671624).

Almost surely, 2^42115504401 is an apocalyptic number.

It is an amenable number.

42115504401 is a deficient number, since it is larger than the sum of its proper divisors (21428614575).

42115504401 is a wasteful number, since it uses less digits than its factorization.

42115504401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210533 (or 210530 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The spelling of 42115504401 in words is "forty-two billion, one hundred fifteen million, five hundred four thousand, four hundred one".