475498814940 has 480 divisors, whose sum is σ = 1576680336000. Its totient is φ = 119785236480.

The previous prime is 475498814929. The next prime is 475498814977. The reversal of 475498814940 is 49418894574.

475498814940 is a `hidden beast` number, since 4 + 7 + 54 + 98 + 8 + 1 + 494 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 159 ways as a sum of consecutive naturals, for example, 793820761 + ... + 793821359.

It is an arithmetic number, because the mean of its divisors is an integer number (3284750700).

Almost surely, 2^475498814940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475498814940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788340168000).

475498814940 is an abundant number, since it is smaller than the sum of its proper divisors (1101181521060).

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

475498814940 is a wasteful number, since it uses less digits than its factorization.

475498814940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 475498814940 in words is "four hundred seventy-five billion, four hundred ninety-eight million, eight hundred fourteen thousand, nine hundred forty".