40872331155 has 8 divisors (see below), whose sum is σ = 65395729872. Its totient is φ = 21798576608.

The previous prime is 40872331111. The next prime is 40872331187. The reversal of 40872331155 is 55113327804.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40872331155 - 2¹⁴ = 40872314771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362411024 + ... + 1362411053.

It is an arithmetic number, because the mean of its divisors is an integer number (8174466234).

Almost surely, 2^40872331155 is an apocalyptic number.

40872331155 is a deficient number, since it is larger than the sum of its proper divisors (24523398717).

40872331155 is a wasteful number, since it uses less digits than its factorization.

40872331155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724822085.

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 40872331155 its reverse (55113327804), we get a palindrome (95985658959).

The spelling of 40872331155 in words is "forty billion, eight hundred seventy-two million, three hundred thirty-one thousand, one hundred fifty-five".