353699995783680 has 640 divisors, whose sum is σ = 1546303855219200. Its totient is φ = 74626810970112.

The previous prime is 353699995783669. The next prime is 353699995783711. The reversal of 353699995783680 is 86387599996353.

353699995783680 is a `hidden beast` number, since 3 + 5 + 3 + 6 + 9 + 99 + 95 + 78 + 368 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (90).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21826495 + ... + 34406334.

It is an arithmetic number, because the mean of its divisors is an integer number (2416099773780).

Almost surely, 2^{353699995783680} is an apocalyptic number.

353699995783680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

353699995783680 is an abundant number, since it is smaller than the sum of its proper divisors (1192603859435520).

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

353699995783680 is a wasteful number, since it uses less digits than its factorization.

353699995783680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56232881 (or 56232859 counting only the distinct ones).

The product of its (nonzero) digits is 71425670400, while the sum is 90.

The spelling of 353699995783680 in words is "three hundred fifty-three trillion, six hundred ninety-nine billion, nine hundred ninety-five million, seven hundred eighty-three thousand, six hundred eighty".