959574797640 has 224 divisors, whose sum is σ = 3239457883200. Its totient is φ = 255698985600.

The previous prime is 959574797609. The next prime is 959574797677. The reversal of 959574797640 is 46797475959.

959574797640 is a `hidden beast` number, since 9 + 5 + 9 + 574 + 7 + 9 + 7 + 6 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 42299821 + ... + 42322499.

It is an arithmetic number, because the mean of its divisors is an integer number (14461865550).

Almost surely, 2^959574797640 is an apocalyptic number.

959574797640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 959574797640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1619728941600).

959574797640 is an abundant number, since it is smaller than the sum of its proper divisors (2279883085560).

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

959574797640 is a wasteful number, since it uses less digits than its factorization.

959574797640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24159 (or 24140 counting only the distinct ones).

The product of its (nonzero) digits is 600112800, while the sum is 72.

The spelling of 959574797640 in words is "nine hundred fifty-nine billion, five hundred seventy-four million, seven hundred ninety-seven thousand, six hundred forty".