1157476540 has 72 divisors (see below), whose sum is σ = 2704092048. Its totient is φ = 412738560.

The previous prime is 1157476531. The next prime is 1157476547. The reversal of 1157476540 is 456747511.

It is a junction number, because it is equal to n+sod(n) for n = 1157476493 and 1157476502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157476547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617044 + ... + 618916.

It is an arithmetic number, because the mean of its divisors is an integer number (37556834).

Almost surely, 2^1157476540 is an apocalyptic number.

1157476540 is a gapful number since it is divisible by the number (10) 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 1157476540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352046024).

1157476540 is an abundant number, since it is smaller than the sum of its proper divisors (1546615508).

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

1157476540 is a wasteful number, since it uses less digits than its factorization.

1157476540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1944 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 1157476540 is about 34021.7068942756. The cubic root of 1157476540 is about 1049.9551122156.

The spelling of 1157476540 in words is "one billion, one hundred fifty-seven million, four hundred seventy-six thousand, five hundred forty".