157842830844 has 120 divisors (see below), whose sum is σ = 436789158960. Its totient is φ = 49618469376.

The previous prime is 157842830839. The next prime is 157842830861. The reversal of 157842830844 is 448038248751.

157842830844 is a `hidden beast` number, since 1 + 578 + 4 + 28 + 3 + 0 + 8 + 44 = 666.

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 39 ways as a sum of consecutive naturals, for example, 208692 + ... + 599364.

It is an arithmetic number, because the mean of its divisors is an integer number (3639909658).

Almost surely, 2^157842830844 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 157842830844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218394579480).

157842830844 is an abundant number, since it is smaller than the sum of its proper divisors (278946328116).

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

157842830844 is a wasteful number, since it uses less digits than its factorization.

157842830844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390761 (or 390750 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 157842830844 in words is "one hundred fifty-seven billion, eight hundred forty-two million, eight hundred thirty thousand, eight hundred forty-four".