475140340 has 12 divisors (see below), whose sum is σ = 997794756. Its totient is φ = 190056128.

The previous prime is 475140329. The next prime is 475140377. The reversal of 475140340 is 43041574.

It can be written as a sum of positive squares in 2 ways, for example, as 334670436 + 140469904 = 18294^2 + 11852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 475140299 and 475140308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11878489 + ... + 11878528.

It is an arithmetic number, because the mean of its divisors is an integer number (83149563).

Almost surely, 2^475140340 is an apocalyptic number.

It is an amenable number.

475140340 is an abundant number, since it is smaller than the sum of its proper divisors (522654416).

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

475140340 is a wasteful number, since it uses less digits than its factorization.

475140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757026 (or 23757024 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 475140340 is about 21797.7141003363. The cubic root of 475140340 is about 780.3222096373.

The spelling of 475140340 in words is "four hundred seventy-five million, one hundred forty thousand, three hundred forty".