40656157383 has 16 divisors (see below), whose sum is σ = 57074267520. Its totient is φ = 25671725856.

The previous prime is 40656157349. The next prime is 40656157387. The reversal of 40656157383 is 38375165604.

It is not a de Polignac number, because 40656157383 - 2⁶ = 40656157319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40656157387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178516 + ... + 336422.

It is an arithmetic number, because the mean of its divisors is an integer number (3567141720).

Almost surely, 2^40656157383 is an apocalyptic number.

40656157383 is a deficient number, since it is larger than the sum of its proper divisors (16418110137).

40656157383 is a wasteful number, since it uses less digits than its factorization.

40656157383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162446.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 40656157383 in words is "forty billion, six hundred fifty-six million, one hundred fifty-seven thousand, three hundred eighty-three".