40742345507 has 4 divisors (see below), whose sum is σ = 41200124760. Its totient is φ = 40284566256.

The previous prime is 40742345491. The next prime is 40742345519. The reversal of 40742345507 is 70554324704.

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 40742345507 - 2⁴ = 40742345491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40742315507) 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, 228889493 + ... + 228889670.

It is an arithmetic number, because the mean of its divisors is an integer number (10300031190).

Almost surely, 2^40742345507 is an apocalyptic number.

40742345507 is a deficient number, since it is larger than the sum of its proper divisors (457779253).

40742345507 is an equidigital number, since it uses as much as digits as its factorization.

40742345507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457779252.

The product of its (nonzero) digits is 470400, while the sum is 41.

The spelling of 40742345507 in words is "forty billion, seven hundred forty-two million, three hundred forty-five thousand, five hundred seven".