40456371 has 4 divisors (see below), whose sum is σ = 53941832. Its totient is φ = 26970912.

The previous prime is 40456369. The next prime is 40456387. The reversal of 40456371 is 17365404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40456371 - 2¹ = 40456369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40456391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6742726 + ... + 6742731.

It is an arithmetic number, because the mean of its divisors is an integer number (13485458).

Almost surely, 2^40456371 is an apocalyptic number.

40456371 is a deficient number, since it is larger than the sum of its proper divisors (13485461).

40456371 is a wasteful number, since it uses less digits than its factorization.

40456371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13485460.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40456371 is about 6360.5322890463. The cubic root of 40456371 is about 343.2909130569.

The spelling of 40456371 in words is "forty million, four hundred fifty-six thousand, three hundred seventy-one".