1879317065840 has 40 divisors (see below), whose sum is σ = 4388165063568. Its totient is φ = 748500523520.

The previous prime is 1879317065827. The next prime is 1879317065869. The reversal of 1879317065840 is 485607139781.

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 1879317065840.

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, 50392226 + ... + 50429505.

Almost surely, 2^{1879317065840} is an apocalyptic number.

1879317065840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1879317065840 is an abundant number, since it is smaller than the sum of its proper divisors (2508847997728).

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

1879317065840 is a wasteful number, since it uses less digits than its factorization.

1879317065840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100821977 (or 100821971 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 1879317065840 in words is "one trillion, eight hundred seventy-nine billion, three hundred seventeen million, sixty-five thousand, eight hundred forty".