470776640 has 28 divisors (see below), whose sum is σ = 1121037636. Its totient is φ = 188310528.

The previous prime is 470776591. The next prime is 470776643. The reversal of 470776640 is 46677074.

It can be written as a sum of positive squares in 2 ways, for example, as 252682816 + 218093824 = 15896^2 + 14768^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470776643) 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, 735269 + ... + 735908.

Almost surely, 2^470776640 is an apocalyptic number.

470776640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

470776640 is an abundant number, since it is smaller than the sum of its proper divisors (650260996).

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

470776640 is a wasteful number, since it uses less digits than its factorization.

470776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471194 (or 1471184 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 470776640 is about 21697.3878612150. The cubic root of 470776640 is about 777.9260265862.

The spelling of 470776640 in words is "four hundred seventy million, seven hundred seventy-six thousand, six hundred forty".