426421544540 has 48 divisors (see below), whose sum is σ = 914698939392. Its totient is φ = 166910143296.

The previous prime is 426421544489. The next prime is 426421544551. The reversal of 426421544540 is 45445124624.

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, 5756417 + ... + 5830023.

It is an arithmetic number, because the mean of its divisors is an integer number (19056227904).

Almost surely, 2^426421544540 is an apocalyptic number.

It is an amenable number.

426421544540 is an abundant number, since it is smaller than the sum of its proper divisors (488277394852).

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

426421544540 is a wasteful number, since it uses less digits than its factorization.

426421544540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79826 (or 79824 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 41.

The spelling of 426421544540 in words is "four hundred twenty-six billion, four hundred twenty-one million, five hundred forty-four thousand, five hundred forty".