1157733240 has 32 divisors (see below), whose sum is σ = 3473200080. Its totient is φ = 308728832.

The previous prime is 1157733209. The next prime is 1157733263. The reversal of 1157733240 is 423377511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4823769 + ... + 4824008.

Almost surely, 2^1157733240 is an apocalyptic number.

1157733240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157733240 is an abundant number, since it is smaller than the sum of its proper divisors (2315466840).

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

1157733240 is a wasteful number, since it uses less digits than its factorization.

1157733240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9647791 (or 9647787 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 1157733240 is about 34025.4792765657. The cubic root of 1157733240 is about 1050.0327246037.

The spelling of 1157733240 in words is "one billion, one hundred fifty-seven million, seven hundred thirty-three thousand, two hundred forty".