42640352316 has 48 divisors (see below), whose sum is σ = 114115169280. Its totient is φ = 13754951280.

The previous prime is 42640352269. The next prime is 42640352327. The reversal of 42640352316 is 61325304624.

42640352316 is a `hidden beast` number, since 4 + 2 + 640 + 3 + 5 + 2 + 3 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6364686 + ... + 6371381.

It is an arithmetic number, because the mean of its divisors is an integer number (2377399360).

Almost surely, 2^42640352316 is an apocalyptic number.

It is an amenable number.

42640352316 is an abundant number, since it is smaller than the sum of its proper divisors (71474816964).

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

42640352316 is a wasteful number, since it uses less digits than its factorization.

42640352316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12736111 (or 12736103 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 42640352316 in words is "forty-two billion, six hundred forty million, three hundred fifty-two thousand, three hundred sixteen".