57419839440 has 160 divisors (see below), whose sum is σ = 199337717760. Its totient is φ = 15191318016.

The previous prime is 57419839349. The next prime is 57419839459. The reversal of 57419839440 is 4493891475.

57419839440 is a `hidden beast` number, since 5 + 7 + 4 + 198 + 3 + 9 + 440 = 666.

It is a super-2 number, since 2×57419839440² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169662 + ... + 378978.

It is an arithmetic number, because the mean of its divisors is an integer number (1245860736).

Almost surely, 2^57419839440 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 57419839440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99668858880).

57419839440 is an abundant number, since it is smaller than the sum of its proper divisors (141917878320).

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

57419839440 is a wasteful number, since it uses less digits than its factorization.

57419839440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209466 (or 209454 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 57419839440 in words is "fifty-seven billion, four hundred nineteen million, eight hundred thirty-nine thousand, four hundred forty".