471286872240 has 40 divisors (see below), whose sum is σ = 1460989304688. Its totient is φ = 125676499200.

The previous prime is 471286872233. The next prime is 471286872263. The reversal of 471286872240 is 42278682174.

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

It is a super-2 number, since 2×471286872240² (a number of 24 digits) contains 22 as substring.

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, 981847411 + ... + 981847890.

Almost surely, 2^471286872240 is an apocalyptic number.

471286872240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

471286872240 is an abundant number, since it is smaller than the sum of its proper divisors (989702432448).

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

471286872240 is a wasteful number, since it uses less digits than its factorization.

471286872240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963695317 (or 1963695311 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 471286872240 in words is "four hundred seventy-one billion, two hundred eighty-six million, eight hundred seventy-two thousand, two hundred forty".