476247640 has 32 divisors (see below), whose sum is σ = 1168972560. Its totient is φ = 173180800.

The previous prime is 476247601. The next prime is 476247641. The reversal of 476247640 is 46742674.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 476247593 and 476247602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (476247641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540751 + ... + 541630.

Almost surely, 2^476247640 is an apocalyptic number.

476247640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

476247640 is an abundant number, since it is smaller than the sum of its proper divisors (692724920).

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

476247640 is a wasteful number, since it uses less digits than its factorization.

476247640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082403 (or 1082399 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 476247640 is about 21823.0987717143. The cubic root of 476247640 is about 780.9279116886.

The spelling of 476247640 in words is "four hundred seventy-six million, two hundred forty-seven thousand, six hundred forty".