1157356040 has 32 divisors (see below), whose sum is σ = 2611586880. Its totient is φ = 461602752.

The previous prime is 1157356009. The next prime is 1157356043. The reversal of 1157356040 is 406537511.

It is a junction number, because it is equal to n+sod(n) for n = 1157355988 and 1157356006.

It is not an unprimeable number, because it can be changed into a prime (1157356043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27812 + ... + 55571.

It is an arithmetic number, because the mean of its divisors is an integer number (81612090).

Almost surely, 2^1157356040 is an apocalyptic number.

1157356040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157356040 is an abundant number, since it is smaller than the sum of its proper divisors (1454230840).

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

1157356040 is a wasteful number, since it uses less digits than its factorization.

1157356040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83741 (or 83737 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 1157356040 is about 34019.9359199867. The cubic root of 1157356040 is about 1049.9186754852.

The spelling of 1157356040 in words is "one billion, one hundred fifty-seven million, three hundred fifty-six thousand, forty".