393744142180 has 96 divisors (see below), whose sum is σ = 847912665600. Its totient is φ = 153517258752.

The previous prime is 393744142067. The next prime is 393744142223. The reversal of 393744142180 is 81241447393.

It is a self number, because there is not a number n which added to its sum of digits gives 393744142180.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458374591 + ... + 458375449.

It is an arithmetic number, because the mean of its divisors is an integer number (8832423600).

Almost surely, 2^393744142180 is an apocalyptic number.

It is an amenable number.

393744142180 is an abundant number, since it is smaller than the sum of its proper divisors (454168523420).

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

393744142180 is a wasteful number, since it uses less digits than its factorization.

393744142180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2339 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 393744142180 in words is "three hundred ninety-three billion, seven hundred forty-four million, one hundred forty-two thousand, one hundred eighty".