40957578 has 24 divisors (see below), whose sum is σ = 93412800. Its totient is φ = 12933864.

The previous prime is 40957561. The next prime is 40957613. The reversal of 40957578 is 87575904.

40957578 is a `hidden beast` number, since 4 + 0 + 9 + 575 + 78 = 666.

40957578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 59538 + ... + 60221.

It is an arithmetic number, because the mean of its divisors is an integer number (3892200).

Almost surely, 2^40957578 is an apocalyptic number.

40957578 is an abundant number, since it is smaller than the sum of its proper divisors (52455222).

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

40957578 is a wasteful number, since it uses less digits than its factorization.

40957578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119786 (or 119783 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 40957578 is about 6399.8107784528. The cubic root of 40957578 is about 344.7027559472.

The spelling of 40957578 in words is "forty million, nine hundred fifty-seven thousand, five hundred seventy-eight".