419664990 has 32 divisors (see below), whose sum is σ = 1012428576. Its totient is φ = 111329280.

The previous prime is 419664977. The next prime is 419664991. The reversal of 419664990 is 99466914.

It is a super-2 number, since 2×419664990² = 352237407663400200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419664991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30451 + ... + 42030.

It is an arithmetic number, because the mean of its divisors is an integer number (31638393).

Almost surely, 2^419664990 is an apocalyptic number.

419664990 is an abundant number, since it is smaller than the sum of its proper divisors (592763586).

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

419664990 is a wasteful number, since it uses less digits than its factorization.

419664990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72684.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 419664990 is about 20485.7264943179. The cubic root of 419664990 is about 748.6880709053.

The spelling of 419664990 in words is "four hundred nineteen million, six hundred sixty-four thousand, nine hundred ninety".