1057770428 has 48 divisors (see below), whose sum is σ = 2187077760. Its totient is φ = 441297600.

The previous prime is 1057770419. The next prime is 1057770433. The reversal of 1057770428 is 8240777501.

It is a super-2 number, since 2×1057770428² = 2237756556702606368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97223 + ... + 107553.

It is an arithmetic number, because the mean of its divisors is an integer number (45564120).

Almost surely, 2^1057770428 is an apocalyptic number.

It is an amenable number.

1057770428 is an abundant number, since it is smaller than the sum of its proper divisors (1129307332).

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

1057770428 is a wasteful number, since it uses less digits than its factorization.

1057770428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538 (or 10536 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 1057770428 is about 32523.3827883878. The cubic root of 1057770428 is about 1018.8974463441.

The spelling of 1057770428 in words is "one billion, fifty-seven million, seven hundred seventy thousand, four hundred twenty-eight".