1045255040 has 32 divisors (see below), whose sum is σ = 2498814360. Its totient is φ = 418101760.

The previous prime is 1045255031. The next prime is 1045255067. The reversal of 1045255040 is 405525401.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815966 + ... + 817245.

Almost surely, 2^1045255040 is an apocalyptic number.

1045255040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045255040 is an abundant number, since it is smaller than the sum of its proper divisors (1453559320).

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

1045255040 is an equidigital number, since it uses as much as digits as its factorization.

1045255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633230 (or 1633218 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1045255040 is about 32330.4042659537. The cubic root of 1045255040 is about 1014.8630098147.

The spelling of 1045255040 in words is "one billion, forty-five million, two hundred fifty-five thousand, forty".