40342357507 has 4 divisors (see below), whose sum is σ = 40394819080. Its totient is φ = 40289895936.

The previous prime is 40342357483. The next prime is 40342357537. The reversal of 40342357507 is 70575324304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40342357507 - 2²⁷ = 40208139779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40342357507.

It is not an unprimeable number, because it can be changed into a prime (40342357537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26229633 + ... + 26231170.

It is an arithmetic number, because the mean of its divisors is an integer number (10098704770).

Almost surely, 2^40342357507 is an apocalyptic number.

40342357507 is a deficient number, since it is larger than the sum of its proper divisors (52461573).

40342357507 is an equidigital number, since it uses as much as digits as its factorization.

40342357507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52461572.

The product of its (nonzero) digits is 352800, while the sum is 40.

The spelling of 40342357507 in words is "forty billion, three hundred forty-two million, three hundred fifty-seven thousand, five hundred seven".