421473986140 has 48 divisors (see below), whose sum is σ = 957099411072. Its totient is φ = 155296541696.

The previous prime is 421473986119. The next prime is 421473986159. The reversal of 421473986140 is 41689374124.

It is a happy number.

It is a super-3 number, since 3×421473986140³ (a number of 36 digits) contains 333 as substring.

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, 13171567 + ... + 13203526.

It is an arithmetic number, because the mean of its divisors is an integer number (19939571064).

Almost surely, 2^421473986140 is an apocalyptic number.

It is an amenable number.

421473986140 is an abundant number, since it is smaller than the sum of its proper divisors (535625424932).

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

421473986140 is a wasteful number, since it uses less digits than its factorization.

421473986140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26375166 (or 26375164 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 421473986140 in words is "four hundred twenty-one billion, four hundred seventy-three million, nine hundred eighty-six thousand, one hundred forty".