40374269431 has 4 divisors (see below), whose sum is σ = 42499231000. Its totient is φ = 38249307864.

The previous prime is 40374269387. The next prime is 40374269443. The reversal of 40374269431 is 13496247304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40374269431 - 2³⁵ = 6014531063 is a prime.

It is a super-2 number, since 2×40374269431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40374269471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062480756 + ... + 1062480793.

It is an arithmetic number, because the mean of its divisors is an integer number (10624807750).

Almost surely, 2^40374269431 is an apocalyptic number.

40374269431 is a deficient number, since it is larger than the sum of its proper divisors (2124961569).

40374269431 is a wasteful number, since it uses less digits than its factorization.

40374269431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124961568.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 40374269431 in words is "forty billion, three hundred seventy-four million, two hundred sixty-nine thousand, four hundred thirty-one".