36520456641 has 16 divisors (see below), whose sum is σ = 49286094144. Its totient is φ = 24051815424.

The previous prime is 36520456633. The next prime is 36520456667. The reversal of 36520456641 is 14665402563.

It is not a de Polignac number, because 36520456641 - 2³ = 36520456633 is a prime.

It is a super-2 number, since 2×36520456641² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36520456593 and 36520456602.

It is not an unprimeable number, because it can be changed into a prime (36520456741) 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, 44461 + ... + 273893.

It is an arithmetic number, because the mean of its divisors is an integer number (3080380884).

Almost surely, 2^36520456641 is an apocalyptic number.

It is an amenable number.

36520456641 is a deficient number, since it is larger than the sum of its proper divisors (12765637503).

36520456641 is a wasteful number, since it uses less digits than its factorization.

36520456641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230080.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 36520456641 in words is "thirty-six billion, five hundred twenty million, four hundred fifty-six thousand, six hundred forty-one".