40757889 has 4 divisors (see below), whose sum is σ = 54343856. Its totient is φ = 27171924.

The previous prime is 40757881. The next prime is 40757903. The reversal of 40757889 is 98875704.

40757889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40757889 - 2³ = 40757881 is a prime.

It is a super-2 number, since 2×40757889² = 3322411031472642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40757881) 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, 6792979 + ... + 6792984.

It is an arithmetic number, because the mean of its divisors is an integer number (13585964).

Almost surely, 2^40757889 is an apocalyptic number.

It is an amenable number.

40757889 is a deficient number, since it is larger than the sum of its proper divisors (13585967).

40757889 is a wasteful number, since it uses less digits than its factorization.

40757889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585966.

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 40757889 is about 6384.1905516675. The cubic root of 40757889 is about 344.1416427024.

The spelling of 40757889 in words is "forty million, seven hundred fifty-seven thousand, eight hundred eighty-nine".