40131430402 has 8 divisors (see below), whose sum is σ = 68796737856. Its totient is φ = 17199184452.

The previous prime is 40131430373. The next prime is 40131430411. The reversal of 40131430402 is 20403413104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40131430402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433265358 + ... + 1433265385.

It is an arithmetic number, because the mean of its divisors is an integer number (8599592232).

Almost surely, 2^40131430402 is an apocalyptic number.

40131430402 is a deficient number, since it is larger than the sum of its proper divisors (28665307454).

40131430402 is a wasteful number, since it uses less digits than its factorization.

40131430402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866530752.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40131430402 its reverse (20403413104), we get a palindrome (60534843506).

The spelling of 40131430402 in words is "forty billion, one hundred thirty-one million, four hundred thirty thousand, four hundred two".