42204004731 has 36 divisors (see below), whose sum is σ = 70938153000. Its totient is φ = 24108432768.

The previous prime is 42204004699. The next prime is 42204004753. The reversal of 42204004731 is 13740040224.

42204004731 is a `hidden beast` number, since 4 + 220 + 400 + 4 + 7 + 31 = 666.

42204004731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42204004731 - 2⁵ = 42204004699 is a prime.

It is a super-2 number, since 2×42204004731² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42204004695 and 42204004704.

It is not an unprimeable number, because it can be changed into a prime (42204004331) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1440355 + ... + 1469363.

It is an arithmetic number, because the mean of its divisors is an integer number (1970504250).

Almost surely, 2^42204004731 is an apocalyptic number.

42204004731 is a deficient number, since it is larger than the sum of its proper divisors (28734148269).

42204004731 is a wasteful number, since it uses less digits than its factorization.

42204004731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32328 (or 32318 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 42204004731 its reverse (13740040224), we get a palindrome (55944044955).

The spelling of 42204004731 in words is "forty-two billion, two hundred four million, four thousand, seven hundred thirty-one".