57839469408 has 144 divisors (see below), whose sum is σ = 188076784896. Its totient is φ = 16516903680.

The previous prime is 57839469371. The next prime is 57839469409. The reversal of 57839469408 is 80496493875.

57839469408 is a `hidden beast` number, since 5 + 7 + 83 + 94 + 69 + 408 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57839469409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4515493 + ... + 4528283.

It is an arithmetic number, because the mean of its divisors is an integer number (1306088784).

Almost surely, 2^57839469408 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 57839469408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94038392448).

57839469408 is an abundant number, since it is smaller than the sum of its proper divisors (130237315488).

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

57839469408 is a wasteful number, since it uses less digits than its factorization.

57839469408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057 (or 15046 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 57839469408 in words is "fifty-seven billion, eight hundred thirty-nine million, four hundred sixty-nine thousand, four hundred eight".