40627303668 has 36 divisors (see below), whose sum is σ = 117367766880. Its totient is φ = 11607800976.

The previous prime is 40627303643. The next prime is 40627303669. The reversal of 40627303668 is 86630372604.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40627303669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80609478 + ... + 80609981.

Almost surely, 2^40627303668 is an apocalyptic number.

It is an amenable number.

40627303668 is an abundant number, since it is smaller than the sum of its proper divisors (76740463212).

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

40627303668 is a wasteful number, since it uses less digits than its factorization.

40627303668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161219476 (or 161219471 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 40627303668 in words is "forty billion, six hundred twenty-seven million, three hundred three thousand, six hundred sixty-eight".