40618762867 has 4 divisors (see below), whose sum is σ = 40624051896. Its totient is φ = 40613473840.

The previous prime is 40618762843. The next prime is 40618762871. The reversal of 40618762867 is 76826781604.

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 40618762867 - 2³¹ = 38471279219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40618762567) 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, 2632978 + ... + 2648359.

It is an arithmetic number, because the mean of its divisors is an integer number (10156012974).

Almost surely, 2^40618762867 is an apocalyptic number.

40618762867 is a deficient number, since it is larger than the sum of its proper divisors (5289029).

40618762867 is an equidigital number, since it uses as much as digits as its factorization.

40618762867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289028.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 40618762867 in words is "forty billion, six hundred eighteen million, seven hundred sixty-two thousand, eight hundred sixty-seven".