1057704544 has 72 divisors (see below), whose sum is σ = 2293256448. Its totient is φ = 477369600.

The previous prime is 1057704541. The next prime is 1057704547. The reversal of 1057704544 is 4454077501.

It is an interprime number because it is at equal distance from previous prime (1057704541) and next prime (1057704547).

It is a super-2 number, since 2×1057704544² = 2237477804796495872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057704541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 918369 + ... + 919519.

It is an arithmetic number, because the mean of its divisors is an integer number (31850784).

Almost surely, 2^1057704544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057704544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146628224).

1057704544 is an abundant number, since it is smaller than the sum of its proper divisors (1235551904).

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

1057704544 is a wasteful number, since it uses less digits than its factorization.

1057704544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 1057704544 is about 32522.3699013464. The cubic root of 1057704544 is about 1018.8762916488.

The spelling of 1057704544 in words is "one billion, fifty-seven million, seven hundred four thousand, five hundred forty-four".