475720200640 has 224 divisors, whose sum is σ = 1201162057920. Its totient is φ = 179217432576.

The previous prime is 475720200629. The next prime is 475720200649. The reversal of 475720200640 is 46002027574.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 475720200640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475720200649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57526426 + ... + 57534694.

Almost surely, 2^475720200640 is an apocalyptic number.

475720200640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475720200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600581028960).

475720200640 is an abundant number, since it is smaller than the sum of its proper divisors (725441857280).

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

475720200640 is a wasteful number, since it uses less digits than its factorization.

475720200640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479 (or 8469 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 475720200640 in words is "four hundred seventy-five billion, seven hundred twenty million, two hundred thousand, six hundred forty".