368687949785840 has 40 divisors (see below), whose sum is σ = 868941941940528. Its totient is φ = 145454971968000.

The previous prime is 368687949785839. The next prime is 368687949785849. The reversal of 368687949785840 is 48587949786863.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 368687949785840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368687949785849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31565743286 + ... + 31565754965.

Almost surely, 2^{368687949785840} is an apocalyptic number.

It is an amenable number.

368687949785840 is an abundant number, since it is smaller than the sum of its proper divisors (500253992154688).

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

368687949785840 is a wasteful number, since it uses less digits than its factorization.

368687949785840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63131498337 (or 63131498331 counting only the distinct ones).

The product of its (nonzero) digits is 140460687360, while the sum is 92.

The spelling of 368687949785840 in words is "three hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-five thousand, eight hundred forty".