40092172 has 12 divisors (see below), whose sum is σ = 70239960. Its totient is φ = 20023616.

The previous prime is 40092167. The next prime is 40092179. The reversal of 40092172 is 27129004.

It is a super-3 number, since 3×40092172³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40092179) 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, 1222 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (5853330).

Almost surely, 2^40092172 is an apocalyptic number.

It is an amenable number.

40092172 is a deficient number, since it is larger than the sum of its proper divisors (30147788).

40092172 is a wasteful number, since it uses less digits than its factorization.

40092172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11240 (or 11238 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40092172 is about 6331.8379638143. The cubic root of 40092172 is about 342.2576743287.

The spelling of 40092172 in words is "forty million, ninety-two thousand, one hundred seventy-two".