3640420005051 has 8 divisors (see below), whose sum is σ = 4863543229440. Its totient is φ = 2422121725352.

The previous prime is 3640420004953. The next prime is 3640420005133. The reversal of 3640420005051 is 1505000240463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3640420005051 - 2¹⁵ = 3640419972283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3640420025051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206234411 + ... + 1206237428.

It is an arithmetic number, because the mean of its divisors is an integer number (607942903680).

Almost surely, 2^{3640420005051} is an apocalyptic number.

3640420005051 is a deficient number, since it is larger than the sum of its proper divisors (1223123224389).

3640420005051 is a wasteful number, since it uses less digits than its factorization.

3640420005051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412472345.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 3640420005051 in words is "three trillion, six hundred forty billion, four hundred twenty million, five thousand, fifty-one".