421945734760 has 32 divisors (see below), whose sum is σ = 1035684986400. Its totient is φ = 153434812480.

The previous prime is 421945734751. The next prime is 421945734779. The reversal of 421945734760 is 67437549124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 421945734698 and 421945734707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479483350 + ... + 479484229.

It is an arithmetic number, because the mean of its divisors is an integer number (32365155825).

Almost surely, 2^421945734760 is an apocalyptic number.

421945734760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421945734760 is an abundant number, since it is smaller than the sum of its proper divisors (613739251640).

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

421945734760 is a wasteful number, since it uses less digits than its factorization.

421945734760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958967601 (or 958967597 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 421945734760 in words is "four hundred twenty-one billion, nine hundred forty-five million, seven hundred thirty-four thousand, seven hundred sixty".