474936640 has 28 divisors (see below), whose sum is σ = 1130943636. Its totient is φ = 189974528.

The previous prime is 474936619. The next prime is 474936641. The reversal of 474936640 is 46639474.

It can be written as a sum of positive squares in 2 ways, for example, as 131056704 + 343879936 = 11448^2 + 18544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474936641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741769 + ... + 742408.

Almost surely, 2^474936640 is an apocalyptic number.

474936640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

474936640 is an abundant number, since it is smaller than the sum of its proper divisors (656006996).

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

474936640 is a wasteful number, since it uses less digits than its factorization.

474936640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484194 (or 1484184 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 474936640 is about 21793.0410911373. The cubic root of 474936640 is about 780.2106816380.

The spelling of 474936640 in words is "four hundred seventy-four million, nine hundred thirty-six thousand, six hundred forty".