421455590380 has 48 divisors (see below), whose sum is σ = 967281831936. Its totient is φ = 152976358080.

The previous prime is 421455590371. The next prime is 421455590383. The reversal of 421455590380 is 83095554124.

It is a super-3 number, since 3×421455590380³ (a number of 36 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 421455590380.

It is not an unprimeable number, because it can be changed into a prime (421455590383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630764 + ... + 1871443.

It is an arithmetic number, because the mean of its divisors is an integer number (20151704832).

Almost surely, 2^421455590380 is an apocalyptic number.

It is an amenable number.

421455590380 is an abundant number, since it is smaller than the sum of its proper divisors (545826241556).

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

421455590380 is a wasteful number, since it uses less digits than its factorization.

421455590380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502774 (or 3502772 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 421455590380 in words is "four hundred twenty-one billion, four hundred fifty-five million, five hundred ninety thousand, three hundred eighty".