1157714440 has 32 divisors (see below), whose sum is σ = 2643742080. Its totient is φ = 456172992.

The previous prime is 1157714429. The next prime is 1157714473. The reversal of 1157714440 is 444177511.

It is a junction number, because it is equal to n+sod(n) for n = 1157714396 and 1157714405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213312 + ... + 218671.

It is an arithmetic number, because the mean of its divisors is an integer number (82616940).

Almost surely, 2^1157714440 is an apocalyptic number.

1157714440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157714440 is an abundant number, since it is smaller than the sum of its proper divisors (1486027640).

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

1157714440 is a wasteful number, since it uses less digits than its factorization.

1157714440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432061 (or 432057 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1157714440 is about 34025.2030118852. The cubic root of 1157714440 is about 1050.0270408758.

The spelling of 1157714440 in words is "one billion, one hundred fifty-seven million, seven hundred fourteen thousand, four hundred forty".