40797190 has 32 divisors (see below), whose sum is σ = 84167424. Its totient is φ = 13947360.

The previous prime is 40797187. The next prime is 40797191. The reversal of 40797190 is 9179704.

It is a super-2 number, since 2×40797190² = 3328821423792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33777 + ... + 34963.

It is an arithmetic number, because the mean of its divisors is an integer number (2630232).

Almost surely, 2^40797190 is an apocalyptic number.

40797190 is an abundant number, since it is smaller than the sum of its proper divisors (43370234).

40797190 is a wasteful number, since it uses less digits than its factorization.

40797190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 40797190 is about 6387.2678039988. The cubic root of 40797190 is about 344.2522206064.

The spelling of 40797190 in words is "forty million, seven hundred ninety-seven thousand, one hundred ninety".