40648116628 has 48 divisors (see below), whose sum is σ = 86110456320. Its totient is φ = 16389766656.

The previous prime is 40648116617. The next prime is 40648116631. The reversal of 40648116628 is 82661184604.

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, 1393093 + ... + 1421971.

It is an arithmetic number, because the mean of its divisors is an integer number (1793967840).

Almost surely, 2^40648116628 is an apocalyptic number.

It is an amenable number.

40648116628 is an abundant number, since it is smaller than the sum of its proper divisors (45462339692).

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

40648116628 is a wasteful number, since it uses less digits than its factorization.

40648116628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31864 (or 31862 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 40648116628 in words is "forty billion, six hundred forty-eight million, one hundred sixteen thousand, six hundred twenty-eight".