1157426688 has 160 divisors (see below), whose sum is σ = 3421959552. Its totient is φ = 344678400.

The previous prime is 1157426681. The next prime is 1157426689. The reversal of 1157426688 is 8866247511.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157426681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030095 + ... + 1031217.

Almost surely, 2^1157426688 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 1157426688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710979776).

1157426688 is an abundant number, since it is smaller than the sum of its proper divisors (2264532864).

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

1157426688 is a wasteful number, since it uses less digits than its factorization.

1157426688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1200 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 1157426688 is about 34020.9742364912. The cubic root of 1157426688 is about 1049.9400382992.

The spelling of 1157426688 in words is "one billion, one hundred fifty-seven million, four hundred twenty-six thousand, six hundred eighty-eight".