40131377 has 8 divisors (see below), whose sum is σ = 47147520. Its totient is φ = 33676560.

The previous prime is 40131367. The next prime is 40131379. The reversal of 40131377 is 77313104.

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 40131377 - 2⁴ = 40131361 is a prime.

It is a super-2 number, since 2×40131377² = 3221054839832258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40131379) 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, 140177 + ... + 140462.

It is an arithmetic number, because the mean of its divisors is an integer number (5893440).

Almost surely, 2^40131377 is an apocalyptic number.

It is an amenable number.

40131377 is a deficient number, since it is larger than the sum of its proper divisors (7016143).

40131377 is a wasteful number, since it uses less digits than its factorization.

40131377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280663.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 40131377 is about 6334.9330698911. The cubic root of 40131377 is about 342.3691993477.

The spelling of 40131377 in words is "forty million, one hundred thirty-one thousand, three hundred seventy-seven".