40421377621004 has 24 divisors (see below), whose sum is σ = 71013565319760. Its totient is φ = 20131815446336.

The previous prime is 40421377621003. The next prime is 40421377621007. The reversal of 40421377621004 is 40012677312404.

It is not an unprimeable number, because it can be changed into a prime (40421377621003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309654 + ... + 9283170.

It is an arithmetic number, because the mean of its divisors is an integer number (2958898554990).

Almost surely, 2^{40421377621004} is an apocalyptic number.

It is an amenable number.

40421377621004 is a deficient number, since it is larger than the sum of its proper divisors (30592187698756).

40421377621004 is a wasteful number, since it uses less digits than its factorization.

40421377621004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6979177 (or 6979175 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 40421377621004 in words is "forty trillion, four hundred twenty-one billion, three hundred seventy-seven million, six hundred twenty-one thousand, four".