3620402852136 has 32 divisors (see below), whose sum is σ = 10344008149440. Its totient is φ = 1034400814848.

The previous prime is 3620402852119. The next prime is 3620402852141. The reversal of 3620402852136 is 6312582040263.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10775008321 + ... + 10775008656.

It is an arithmetic number, because the mean of its divisors is an integer number (323250254670).

Almost surely, 2^{3620402852136} is an apocalyptic number.

It is an amenable number.

3620402852136 is an abundant number, since it is smaller than the sum of its proper divisors (6723605297304).

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

3620402852136 is a wasteful number, since it uses less digits than its factorization.

3620402852136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550016993 (or 21550016989 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 3620402852136 its reverse (6312582040263), we get a palindrome (9932984892399).

The spelling of 3620402852136 in words is "three trillion, six hundred twenty billion, four hundred two million, eight hundred fifty-two thousand, one hundred thirty-six".