40231304155 has 32 divisors (see below), whose sum is σ = 57083424768. Its totient is φ = 26636688000.

The previous prime is 40231304137. The next prime is 40231304167. The reversal of 40231304155 is 55140313204.

It is not a de Polignac number, because 40231304155 - 2¹⁵ = 40231271387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438805 + ... + 522505.

It is an arithmetic number, because the mean of its divisors is an integer number (1783857024).

Almost surely, 2^40231304155 is an apocalyptic number.

40231304155 is a deficient number, since it is larger than the sum of its proper divisors (16852120613).

40231304155 is a wasteful number, since it uses less digits than its factorization.

40231304155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84187.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 40231304155 its reverse (55140313204), we get a palindrome (95371617359).

The spelling of 40231304155 in words is "forty billion, two hundred thirty-one million, three hundred four thousand, one hundred fifty-five".