477495720840 has 128 divisors (see below), whose sum is σ = 1437185514240. Its totient is φ = 126915158016.

The previous prime is 477495720817. The next prime is 477495720841. The reversal of 477495720840 is 48027594774.

It is a super-2 number, since 2×477495720840² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (477495720841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61984429 + ... + 61992131.

It is an arithmetic number, because the mean of its divisors is an integer number (11228011830).

Almost surely, 2^477495720840 is an apocalyptic number.

477495720840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

477495720840 is an abundant number, since it is smaller than the sum of its proper divisors (959689793400).

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

477495720840 is a wasteful number, since it uses less digits than its factorization.

477495720840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9343 (or 9339 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 477495720840 in words is "four hundred seventy-seven billion, four hundred ninety-five million, seven hundred twenty thousand, eight hundred forty".