475062421644 has 72 divisors (see below), whose sum is σ = 1271931268608. Its totient is φ = 148987537920.

The previous prime is 475062421643. The next prime is 475062421681. The reversal of 475062421644 is 446124260574.

It is a happy number.

475062421644 is a `hidden beast` number, since 4 + 7 + 5 + 0 + 624 + 2 + 16 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 475062421644.

It is not an unprimeable number, because it can be changed into a prime (475062421643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1652149 + ... + 1918259.

It is an arithmetic number, because the mean of its divisors is an integer number (17665712064).

Almost surely, 2^475062421644 is an apocalyptic number.

It is an amenable number.

475062421644 is an abundant number, since it is smaller than the sum of its proper divisors (796868846964).

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

475062421644 is a wasteful number, since it uses less digits than its factorization.

475062421644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269055 (or 269050 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 475062421644 in words is "four hundred seventy-five billion, sixty-two million, four hundred twenty-one thousand, six hundred forty-four".