1057770240 has 72 divisors (see below), whose sum is σ = 3378265968. Its totient is φ = 282071040.

The previous prime is 1057770229. The next prime is 1057770281. The reversal of 1057770240 is 420777501.

It is a happy number.

It is a super-2 number, since 2×1057770240² = 2237755761259315200, which contains 22 as substring.

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, 133891 + ... + 141570.

Almost surely, 2^1057770240 is an apocalyptic number.

1057770240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057770240 is an abundant number, since it is smaller than the sum of its proper divisors (2320495728).

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

1057770240 is an equidigital number, since it uses as much as digits as its factorization.

1057770240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275485 (or 275471 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 1057770240 is about 32523.3798981594. The cubic root of 1057770240 is about 1018.8973859804.

The spelling of 1057770240 in words is "one billion, fifty-seven million, seven hundred seventy thousand, two hundred forty".