40168215700 has 36 divisors (see below), whose sum is σ = 87269101920. Its totient is φ = 16048102240.

The previous prime is 40168215677. The next prime is 40168215709. The reversal of 40168215700 is 751286104.

It is a super-2 number, since 2×40168215700² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168215709) 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, 155482 + ... + 323281.

It is an arithmetic number, because the mean of its divisors is an integer number (2424141720).

Almost surely, 2^40168215700 is an apocalyptic number.

It is an amenable number.

40168215700 is an abundant number, since it is smaller than the sum of its proper divisors (47100886220).

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

40168215700 is a wasteful number, since it uses less digits than its factorization.

40168215700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479616 (or 479609 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 40168215700 in words is "forty billion, one hundred sixty-eight million, two hundred fifteen thousand, seven hundred".