40421328060 has 48 divisors (see below), whose sum is σ = 119837352096. Its totient is φ = 10144960512.

The previous prime is 40421327983. The next prime is 40421328097. The reversal of 40421328060 is 6082312404.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 19813357 + ... + 19815396.

It is an arithmetic number, because the mean of its divisors is an integer number (2496611502).

Almost surely, 2^40421328060 is an apocalyptic number.

It is an amenable number.

40421328060 is an abundant number, since it is smaller than the sum of its proper divisors (79416024036).

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

40421328060 is a wasteful number, since it uses less digits than its factorization.

40421328060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39628782 (or 39628780 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 40421328060 in words is "forty billion, four hundred twenty-one million, three hundred twenty-eight thousand, sixty".