479256091420 has 12 divisors (see below), whose sum is σ = 1006437792024. Its totient is φ = 191702436560.

The previous prime is 479256091411. The next prime is 479256091421. The reversal of 479256091420 is 24190652974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479256091421) 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 3 ways as a sum of consecutive naturals, for example, 11981402266 + ... + 11981402305.

It is an arithmetic number, because the mean of its divisors is an integer number (83869816002).

Almost surely, 2^479256091420 is an apocalyptic number.

It is an amenable number.

479256091420 is an abundant number, since it is smaller than the sum of its proper divisors (527181700604).

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

479256091420 is a wasteful number, since it uses less digits than its factorization.

479256091420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23962804580 (or 23962804578 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 479256091420 in words is "four hundred seventy-nine billion, two hundred fifty-six million, ninety-one thousand, four hundred twenty".