40144753231 has 8 divisors (see below), whose sum is σ = 46099238400. Its totient is φ = 34574428440.

The previous prime is 40144753133. The next prime is 40144753261. The reversal of 40144753231 is 13235744104.

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

It is not a de Polignac number, because 40144753231 - 2⁹ = 40144752719 is a prime.

It is a super-2 number, since 2×40144753231² (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 (40144753261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96039871 + ... + 96040288.

It is an arithmetic number, because the mean of its divisors is an integer number (5762404800).

Almost surely, 2^40144753231 is an apocalyptic number.

40144753231 is a deficient number, since it is larger than the sum of its proper divisors (5954485169).

40144753231 is a wasteful number, since it uses less digits than its factorization.

40144753231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192080189.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 40144753231 in words is "forty billion, one hundred forty-four million, seven hundred fifty-three thousand, two hundred thirty-one".