18036427902 has 32 divisors (see below), whose sum is σ = 36211968000. Its totient is φ = 5989003488.

The previous prime is 18036427897. The next prime is 18036427907. The reversal of 18036427902 is 20972463081.

It is an interprime number because it is at equal distance from previous prime (18036427897) and next prime (18036427907).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18036427907) 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, 1716288 + ... + 1726764.

It is an arithmetic number, because the mean of its divisors is an integer number (1131624000).

Almost surely, 2^18036427902 is an apocalyptic number.

18036427902 is an abundant number, since it is smaller than the sum of its proper divisors (18175540098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18036427902 is a wasteful number, since it uses less digits than its factorization.

18036427902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 18036427902 in words is "eighteen billion, thirty-six million, four hundred twenty-seven thousand, nine hundred two".