42476398731 has 32 divisors (see below), whose sum is σ = 68174507520. Its totient is φ = 25982763552.

The previous prime is 42476398729. The next prime is 42476398733. The reversal of 42476398731 is 13789367424.

42476398731 is a `hidden beast` number, since 4 + 247 + 6 + 398 + 7 + 3 + 1 = 666.

42476398731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42476398729) and next prime (42476398733).

It is not a de Polignac number, because 42476398731 - 2¹ = 42476398729 is a prime.

It is a super-2 number, since 2×42476398731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42476398733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303705 + ... + 420938.

It is an arithmetic number, because the mean of its divisors is an integer number (2130453360).

Almost surely, 2^42476398731 is an apocalyptic number.

42476398731 is a deficient number, since it is larger than the sum of its proper divisors (25698108789).

42476398731 is a wasteful number, since it uses less digits than its factorization.

42476398731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724832 (or 724826 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 42476398731 in words is "forty-two billion, four hundred seventy-six million, three hundred ninety-eight thousand, seven hundred thirty-one".