477215271840 has 384 divisors, whose sum is σ = 1590860113920. Its totient is φ = 120007692288.

The previous prime is 477215271839. The next prime is 477215271893. The reversal of 477215271840 is 48172512774.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 477215271840.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273161847 + ... + 273163593.

It is an arithmetic number, because the mean of its divisors is an integer number (4142864880).

Almost surely, 2^477215271840 is an apocalyptic number.

477215271840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477215271840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795430056960).

477215271840 is an abundant number, since it is smaller than the sum of its proper divisors (1113644842080).

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

477215271840 is a wasteful number, since it uses less digits than its factorization.

477215271840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 48.

The spelling of 477215271840 in words is "four hundred seventy-seven billion, two hundred fifteen million, two hundred seventy-one thousand, eight hundred forty".