40024653231 has 4 divisors (see below), whose sum is σ = 53366204312. Its totient is φ = 26683102152.

The previous prime is 40024653217. The next prime is 40024653323. The reversal of 40024653231 is 13235642004.

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

It is not a de Polignac number, because 40024653231 - 2⁹ = 40024652719 is a prime.

It is a super-2 number, since 2×40024653231² (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 (40024653211) 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, 6670775536 + ... + 6670775541.

It is an arithmetic number, because the mean of its divisors is an integer number (13341551078).

Almost surely, 2^40024653231 is an apocalyptic number.

40024653231 is a deficient number, since it is larger than the sum of its proper divisors (13341551081).

40024653231 is a wasteful number, since it uses less digits than its factorization.

40024653231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13341551080.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 40024653231 in words is "forty billion, twenty-four million, six hundred fifty-three thousand, two hundred thirty-one".