40977252 has 30 divisors (see below), whose sum is σ = 107123478. Its totient is φ = 13658976.

The previous prime is 40977247. The next prime is 40977253. The reversal of 40977252 is 25277904.

It can be written as a sum of positive squares in only one way, i.e., 27625536 + 13351716 = 5256^2 + 3654^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40977253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62913 + ... + 63560.

Almost surely, 2^40977252 is an apocalyptic number.

It is an amenable number.

40977252 is an abundant number, since it is smaller than the sum of its proper divisors (66146226).

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

40977252 is a wasteful number, since it uses less digits than its factorization.

40977252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126489 (or 126478 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 40977252 is about 6401.3476706081. The cubic root of 40977252 is about 344.7579398454.

The spelling of 40977252 in words is "forty million, nine hundred seventy-seven thousand, two hundred fifty-two".