857426990130 has 64 divisors (see below), whose sum is σ = 2291245747200. Its totient is φ = 228169820160.

The previous prime is 857426990113. The next prime is 857426990149. The reversal of 857426990130 is 31099624758.

857426990130 is a `hidden beast` number, since 8 + 574 + 2 + 69 + 9 + 0 + 1 + 3 + 0 = 666.

It is a super-2 number, since 2×857426990130² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3185551 + ... + 3444210.

It is an arithmetic number, because the mean of its divisors is an integer number (35800714800).

It is a 2-persistent number, because it is pandigital, and so is 2⋅857426990130 = 1714853980260, but 3⋅857426990130 = 2572280970390 is not.

Almost surely, 2^857426990130 is an apocalyptic number.

857426990130 is an abundant number, since it is smaller than the sum of its proper divisors (1433818757070).

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

857426990130 is a wasteful number, since it uses less digits than its factorization.

857426990130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630256 (or 6630250 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 857426990130 in words is "eight hundred fifty-seven billion, four hundred twenty-six million, nine hundred ninety thousand, one hundred thirty".