40897952 has 24 divisors (see below), whose sum is σ = 80847396. Its totient is φ = 20365312.

The previous prime is 40897931. The next prime is 40897957. The reversal of 40897952 is 25979804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 34527376 + 6370576 = 5876^2 + 2524^2 .

It is not an unprimeable number, because it can be changed into a prime (40897957) 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, 5738 + ... + 10710.

Almost surely, 2^40897952 is an apocalyptic number.

It is an amenable number.

40897952 is a deficient number, since it is larger than the sum of its proper divisors (39949444).

40897952 is a wasteful number, since it uses less digits than its factorization.

40897952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240 (or 5232 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 40897952 is about 6395.1506628069. The cubic root of 40897952 is about 344.5354020703.

The spelling of 40897952 in words is "forty million, eight hundred ninety-seven thousand, nine hundred fifty-two".