474254640 has 120 divisors (see below), whose sum is σ = 1607583120. Its totient is φ = 125286912.

The previous prime is 474254639. The next prime is 474254657. The reversal of 474254640 is 46452474.

474254640 is a `hidden beast` number, since 4 + 7 + 4 + 2 + 5 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 474254595 and 474254604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75459 + ... + 81501.

It is an arithmetic number, because the mean of its divisors is an integer number (13396526).

Almost surely, 2^474254640 is an apocalyptic number.

474254640 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 474254640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803791560).

474254640 is an abundant number, since it is smaller than the sum of its proper divisors (1133328480).

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

474254640 is a wasteful number, since it uses less digits than its factorization.

474254640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171 (or 6162 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 474254640 is about 21777.3882731608. The cubic root of 474254640 is about 779.8370468270.

The spelling of 474254640 in words is "four hundred seventy-four million, two hundred fifty-four thousand, six hundred forty".