475646442 has 32 divisors (see below), whose sum is σ = 960638400. Its totient is φ = 156998400.

The previous prime is 475646441. The next prime is 475646447. The reversal of 475646442 is 244646574.

It is a junction number, because it is equal to n+sod(n) for n = 475646394 and 475646403.

It is not an unprimeable number, because it can be changed into a prime (475646441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395442 + ... + 396642.

It is an arithmetic number, because the mean of its divisors is an integer number (30019950).

Almost surely, 2^475646442 is an apocalyptic number.

475646442 is an abundant number, since it is smaller than the sum of its proper divisors (484991958).

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

475646442 is a wasteful number, since it uses less digits than its factorization.

475646442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 645120, while the sum is 42.

The square root of 475646442 is about 21809.3200719325. The cubic root of 475646442 is about 780.5991681564.

The spelling of 475646442 in words is "four hundred seventy-five million, six hundred forty-six thousand, four hundred forty-two".