421940514 has 16 divisors (see below), whose sum is σ = 845890560. Its totient is φ = 140311920.

The previous prime is 421940509. The next prime is 421940539. The reversal of 421940514 is 415049124.

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, 80994 + ... + 86045.

It is an arithmetic number, because the mean of its divisors is an integer number (52868160).

Almost surely, 2^421940514 is an apocalyptic number.

421940514 is an abundant number, since it is smaller than the sum of its proper divisors (423950046).

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

421940514 is a wasteful number, since it uses less digits than its factorization.

421940514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167465.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 421940514 is about 20541.1906665607. The cubic root of 421940514 is about 750.0388211016.

Adding to 421940514 its reverse (415049124), we get a palindrome (836989638).

The spelling of 421940514 in words is "four hundred twenty-one million, nine hundred forty thousand, five hundred fourteen".