40056672323031 has 32 divisors (see below), whose sum is σ = 65734384074240. Its totient is φ = 21128679218304.

The previous prime is 40056672322987. The next prime is 40056672323081. The reversal of 40056672323031 is 13032327665004.

It is not a de Polignac number, because 40056672323031 - 2⁷ = 40056672322903 is a prime.

It is a super-2 number, since 2×40056672323031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40056672323081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78030465 + ... + 78542133.

It is an arithmetic number, because the mean of its divisors is an integer number (2054199502320).

Almost surely, 2^{40056672323031} is an apocalyptic number.

40056672323031 is a deficient number, since it is larger than the sum of its proper divisors (25677711751209).

40056672323031 is a wasteful number, since it uses less digits than its factorization.

40056672323031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798455.

The product of its (nonzero) digits is 544320, while the sum is 42.

Adding to 40056672323031 its reverse (13032327665004), we get a palindrome (53088999988035).

The spelling of 40056672323031 in words is "forty trillion, fifty-six billion, six hundred seventy-two million, three hundred twenty-three thousand, thirty-one".