40057955 has 16 divisors (see below), whose sum is σ = 55145664. Its totient is φ = 27363840.

The previous prime is 40057937. The next prime is 40057957. The reversal of 40057955 is 55975004.

40057955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40057955 - 2⁶ = 40057891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (40057957) 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 15 ways as a sum of consecutive naturals, for example, 7799 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (3446604).

Almost surely, 2^40057955 is an apocalyptic number.

40057955 is a deficient number, since it is larger than the sum of its proper divisors (15087709).

40057955 is a wasteful number, since it uses less digits than its factorization.

40057955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 40057955 is about 6329.1354069889. The cubic root of 40057955 is about 342.1602790562.

The spelling of 40057955 in words is "forty million, fifty-seven thousand, nine hundred fifty-five".