40292117 has 4 divisors (see below), whose sum is σ = 40329120. Its totient is φ = 40255116.

The previous prime is 40292089. The next prime is 40292123. The reversal of 40292117 is 71129204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40292117 - 2¹² = 40288021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40292167) 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, 16817 + ... + 19062.

It is an arithmetic number, because the mean of its divisors is an integer number (10082280).

Almost surely, 2^40292117 is an apocalyptic number.

It is an amenable number.

40292117 is a deficient number, since it is larger than the sum of its proper divisors (37003).

40292117 is a wasteful number, since it uses less digits than its factorization.

40292117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37002.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 40292117 is about 6347.6071869642. The cubic root of 40292117 is about 342.8256926426.

The spelling of 40292117 in words is "forty million, two hundred ninety-two thousand, one hundred seventeen".