420366644 has 12 divisors (see below), whose sum is σ = 735878304. Its totient is φ = 210115704.

The previous prime is 420366641. The next prime is 420366679. The reversal of 420366644 is 446663024.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420366641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 29025.

It is an arithmetic number, because the mean of its divisors is an integer number (61323192).

Almost surely, 2^420366644 is an apocalyptic number.

It is an amenable number.

420366644 is a deficient number, since it is larger than the sum of its proper divisors (315511660).

420366644 is a wasteful number, since it uses less digits than its factorization.

420366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33814 (or 33812 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 420366644 is about 20502.8447782253. The cubic root of 420366644 is about 749.1050920184.

The spelling of 420366644 in words is "four hundred twenty million, three hundred sixty-six thousand, six hundred forty-four".