1044651340 has 48 divisors (see below), whose sum is σ = 2330798400. Its totient is φ = 392539392.

The previous prime is 1044651323. The next prime is 1044651347. The reversal of 1044651340 is 431564401.

It is a junction number, because it is equal to n+sod(n) for n = 1044651299 and 1044651308.

It is not an unprimeable number, because it can be changed into a prime (1044651347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2880 + ... + 45799.

It is an arithmetic number, because the mean of its divisors is an integer number (48558300).

Almost surely, 2^1044651340 is an apocalyptic number.

1044651340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044651340 is an abundant number, since it is smaller than the sum of its proper divisors (1286147060).

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

1044651340 is a wasteful number, since it uses less digits than its factorization.

1044651340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48754 (or 48752 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1044651340 is about 32321.0665046808. The cubic root of 1044651340 is about 1014.6675899521.

The spelling of 1044651340 in words is "one billion, forty-four million, six hundred fifty-one thousand, three hundred forty".