40620752 has 20 divisors (see below), whose sum is σ = 83332836. Its totient is φ = 19115520.

The previous prime is 40620751. The next prime is 40620761. The reversal of 40620752 is 25702604.

40620752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25441936 + 15178816 = 5044^2 + 3896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74399 + ... + 74942.

Almost surely, 2^40620752 is an apocalyptic number.

It is an amenable number.

40620752 is an abundant number, since it is smaller than the sum of its proper divisors (42712084).

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

40620752 is a wasteful number, since it uses less digits than its factorization.

40620752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149366 (or 149360 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40620752 is about 6373.4411427423. The cubic root of 40620752 is about 343.7552342123.

The spelling of 40620752 in words is "forty million, six hundred twenty thousand, seven hundred fifty-two".