1057150494 has 16 divisors (see below), whose sum is σ = 2349223440. Its totient is φ = 352383480.

The previous prime is 1057150483. The next prime is 1057150517. The reversal of 1057150494 is 4940517501.

1057150494 is a `hidden beast` number, since 10 + 5 + 7 + 150 + 494 = 666.

It is a super-2 number, since 2×1057150494² = 2235134333928888072, which contains 22 as substring.

It is a congruent number.

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, 9788377 + ... + 9788484.

It is an arithmetic number, because the mean of its divisors is an integer number (146826465).

Almost surely, 2^1057150494 is an apocalyptic number.

1057150494 is an abundant number, since it is smaller than the sum of its proper divisors (1292072946).

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

1057150494 is a wasteful number, since it uses less digits than its factorization.

1057150494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19576872 (or 19576866 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1057150494 is about 32513.8508023888. The cubic root of 1057150494 is about 1018.6983569541.

Adding to 1057150494 its reverse (4940517501), we get a palindrome (5997667995).

The spelling of 1057150494 in words is "one billion, fifty-seven million, one hundred fifty thousand, four hundred ninety-four".