40561152 has 40 divisors (see below), whose sum is σ = 108061536. Its totient is φ = 13519872.

The previous prime is 40561151. The next prime is 40561159. The reversal of 40561152 is 25116504.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40561151) 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, 11668 + ... + 14739.

Almost surely, 2^40561152 is an apocalyptic number.

It is an amenable number.

40561152 is an abundant number, since it is smaller than the sum of its proper divisors (67500384).

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

40561152 is an equidigital number, since it uses as much as digits as its factorization.

40561152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428 (or 26412 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 40561152 is about 6368.7637732923. The cubic root of 40561152 is about 343.5870292166.

Adding to 40561152 its reverse (25116504), we get a palindrome (65677656).

The spelling of 40561152 in words is "forty million, five hundred sixty-one thousand, one hundred fifty-two".