1157860032 has 224 divisors, whose sum is σ = 3688811520. Its totient is φ = 313528320.

The previous prime is 1157860009. The next prime is 1157860141. The reversal of 1157860032 is 2300687511.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 1157859975 and 1157860002.

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, 2377293 + ... + 2377779.

Almost surely, 2^1157860032 is an apocalyptic number.

1157860032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157860032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1844405760).

1157860032 is an abundant number, since it is smaller than the sum of its proper divisors (2530951488).

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

1157860032 is a wasteful number, since it uses less digits than its factorization.

1157860032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1157860032 is about 34027.3424175324. The cubic root of 1157860032 is about 1050.0710555089.

The spelling of 1157860032 in words is "one billion, one hundred fifty-seven million, eight hundred sixty thousand, thirty-two".