40421527254668 has 24 divisors (see below), whose sum is σ = 80847242397600. Its totient is φ = 17322614275968.

The previous prime is 40421527254659. The next prime is 40421527254673. The reversal of 40421527254668 is 86645272512404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36841553 + ... + 37922856.

It is an arithmetic number, because the mean of its divisors is an integer number (3368635099900).

Almost surely, 2^{40421527254668} is an apocalyptic number.

It is an amenable number.

40421527254668 is an abundant number, since it is smaller than the sum of its proper divisors (40425715142932).

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

40421527254668 is a wasteful number, since it uses less digits than its factorization.

40421527254668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74783729 (or 74783727 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 40421527254668 in words is "forty trillion, four hundred twenty-one billion, five hundred twenty-seven million, two hundred fifty-four thousand, six hundred sixty-eight".