40239245937 has 16 divisors (see below), whose sum is σ = 58644826560. Its totient is φ = 24339499200.

The previous prime is 40239245923. The next prime is 40239245941. The reversal of 40239245937 is 73954293204.

40239245937 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 40239245937 - 2⁸ = 40239245681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40239244937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181014 + ... + 1214607.

It is an arithmetic number, because the mean of its divisors is an integer number (3665301660).

Almost surely, 2^40239245937 is an apocalyptic number.

It is an amenable number.

40239245937 is a deficient number, since it is larger than the sum of its proper divisors (18405580623).

40239245937 is a wasteful number, since it uses less digits than its factorization.

40239245937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396144.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 40239245937 in words is "forty billion, two hundred thirty-nine million, two hundred forty-five thousand, nine hundred thirty-seven".