421347541040 has 20 divisors (see below), whose sum is σ = 979633033104. Its totient is φ = 168539016384.

The previous prime is 421347541009. The next prime is 421347541091. The reversal of 421347541040 is 40145743124.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633422052 + ... + 2633422211.

Almost surely, 2^421347541040 is an apocalyptic number.

421347541040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421347541040 is an abundant number, since it is smaller than the sum of its proper divisors (558285492064).

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

421347541040 is a wasteful number, since it uses less digits than its factorization.

421347541040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266844276 (or 5266844270 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The spelling of 421347541040 in words is "four hundred twenty-one billion, three hundred forty-seven million, five hundred forty-one thousand, forty".