57039689070 has 768 divisors, whose sum is σ = 199667220480. Its totient is φ = 10973491200.

The previous prime is 57039689033. The next prime is 57039689123. The reversal of 57039689070 is 7098693075.

57039689070 is a `hidden beast` number, since 570 + 3 + 9 + 68 + 9 + 0 + 7 + 0 = 666.

It is a super-2 number, since 2×57039689070² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57039688998 and 57039689016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 449131347 + ... + 449131473.

It is an arithmetic number, because the mean of its divisors is an integer number (259983360).

Almost surely, 2^57039689070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57039689070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99833610240).

57039689070 is an abundant number, since it is smaller than the sum of its proper divisors (142627531410).

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

57039689070 is a wasteful number, since it uses less digits than its factorization.

57039689070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 57039689070 in words is "fifty-seven billion, thirty-nine million, six hundred eighty-nine thousand, seventy".