40961172 has 48 divisors (see below), whose sum is σ = 109549440. Its totient is φ = 11668992.

The previous prime is 40961161. The next prime is 40961189. The reversal of 40961172 is 27116904.

It is a happy number.

It is a super-2 number, since 2×40961172² = 3355635223227168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47368 + ... + 48224.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^40961172 is an apocalyptic number.

40961172 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40961172 is an abundant number, since it is smaller than the sum of its proper divisors (68588268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40961172 is a wasteful number, since it uses less digits than its factorization.

40961172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 40961172 is about 6400.0915618450. The cubic root of 40961172 is about 344.7128381308.

The spelling of 40961172 in words is "forty million, nine hundred sixty-one thousand, one hundred seventy-two".