421052260464 has 60 divisors (see below), whose sum is σ = 1285485315192. Its totient is φ = 127591593600.

The previous prime is 421052260429. The next prime is 421052260481. The reversal of 421052260464 is 464062250124.

421052260464 is a `hidden beast` number, since 4 + 2 + 10 + 522 + 60 + 4 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132906327 + ... + 132909494.

Almost surely, 2^421052260464 is an apocalyptic number.

421052260464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421052260464 is an abundant number, since it is smaller than the sum of its proper divisors (864433054728).

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

421052260464 is a wasteful number, since it uses less digits than its factorization.

421052260464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265815846 (or 265815837 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 421052260464 in words is "four hundred twenty-one billion, fifty-two million, two hundred sixty thousand, four hundred sixty-four".