1045794480 has 80 divisors (see below), whose sum is σ = 3245577984. Its totient is φ = 278567680.

The previous prime is 1045794479. The next prime is 1045794487. The reversal of 1045794480 is 844975401.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1045794487) 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, 283045 + ... + 286715.

Almost surely, 2^1045794480 is an apocalyptic number.

1045794480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045794480 is an abundant number, since it is smaller than the sum of its proper divisors (2199783504).

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

1045794480 is a wasteful number, since it uses less digits than its factorization.

1045794480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4874 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1045794480 is about 32338.7458012830. The cubic root of 1045794480 is about 1015.0375648372.

The spelling of 1045794480 in words is "one billion, forty-five million, seven hundred ninety-four thousand, four hundred eighty".