420512466 has 16 divisors (see below), whose sum is σ = 917481888. Its totient is φ = 127428000.

The previous prime is 420512447. The next prime is 420512479. The reversal of 420512466 is 664215024.

It is a super-2 number, since 2×420512466² = 353661468122802312, which contains 22 as substring.

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, 3185635 + ... + 3185766.

It is an arithmetic number, because the mean of its divisors is an integer number (57342618).

Almost surely, 2^420512466 is an apocalyptic number.

420512466 is an abundant number, since it is smaller than the sum of its proper divisors (496969422).

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

420512466 is a wasteful number, since it uses less digits than its factorization.

420512466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371417.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 420512466 is about 20506.4006105411. The cubic root of 420512466 is about 749.1917016290.

The spelling of 420512466 in words is "four hundred twenty million, five hundred twelve thousand, four hundred sixty-six".