1044650420 has 24 divisors (see below), whose sum is σ = 2393199648. Its totient is φ = 379872800.

The previous prime is 1044650407. The next prime is 1044650449. The reversal of 1044650420 is 240564401.

It is a self number, because there is not a number n which added to its sum of digits gives 1044650420.

It is a congruent number.

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, 2373986 + ... + 2374425.

It is an arithmetic number, because the mean of its divisors is an integer number (99716652).

Almost surely, 2^1044650420 is an apocalyptic number.

1044650420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044650420 is an abundant number, since it is smaller than the sum of its proper divisors (1348549228).

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

1044650420 is a wasteful number, since it uses less digits than its factorization.

1044650420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748431 (or 4748429 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1044650420 is about 32321.0522724741. The cubic root of 1044650420 is about 1014.6672920873.

The spelling of 1044650420 in words is "one billion, forty-four million, six hundred fifty thousand, four hundred twenty".