471990922638384 has 80 divisors (see below), whose sum is σ = 1261392696057600. Its totient is φ = 151900591035648.

The previous prime is 471990922638337. The next prime is 471990922638401. The reversal of 471990922638384 is 483836229099174.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41754757 + ... + 51840539.

It is an arithmetic number, because the mean of its divisors is an integer number (15767408700720).

Almost surely, 2^{471990922638384} is an apocalyptic number.

It is an amenable number.

471990922638384 is an abundant number, since it is smaller than the sum of its proper divisors (789401773419216).

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

471990922638384 is a wasteful number, since it uses less digits than its factorization.

471990922638384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10119442 (or 10119436 counting only the distinct ones).

The product of its (nonzero) digits is 1128701952, while the sum is 75.

The spelling of 471990922638384 in words is "four hundred seventy-one trillion, nine hundred ninety billion, nine hundred twenty-two million, six hundred thirty-eight thousand, three hundred eighty-four".