40789120587 has 4 divisors (see below), whose sum is σ = 54385494120. Its totient is φ = 27192747056.

The previous prime is 40789120453. The next prime is 40789120607. The reversal of 40789120587 is 78502198704.

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 40789120587 - 2¹⁸ = 40788858443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40789120787) 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, 6798186762 + ... + 6798186767.

It is an arithmetic number, because the mean of its divisors is an integer number (13596373530).

Almost surely, 2^40789120587 is an apocalyptic number.

40789120587 is a deficient number, since it is larger than the sum of its proper divisors (13596373533).

40789120587 is a wasteful number, since it uses less digits than its factorization.

40789120587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13596373532.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 40789120587 in words is "forty billion, seven hundred eighty-nine million, one hundred twenty thousand, five hundred eighty-seven".