42004124465 has 32 divisors (see below), whose sum is σ = 52404140160. Its totient is φ = 32282611200.

The previous prime is 42004124447. The next prime is 42004124471. The reversal of 42004124465 is 56442140024.

It is not a de Polignac number, because 42004124465 - 2²⁰ = 42003075889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32535470 + ... + 32536760.

It is an arithmetic number, because the mean of its divisors is an integer number (1637629380).

Almost surely, 2^42004124465 is an apocalyptic number.

It is an amenable number.

42004124465 is a deficient number, since it is larger than the sum of its proper divisors (10400015695).

42004124465 is a wasteful number, since it uses less digits than its factorization.

42004124465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 42004124465 its reverse (56442140024), we get a palindrome (98446264489).

The spelling of 42004124465 in words is "forty-two billion, four million, one hundred twenty-four thousand, four hundred sixty-five".