403651472 has 80 divisors (see below), whose sum is σ = 946225152. Its totient is φ = 163067520.

The previous prime is 403651471. The next prime is 403651477. The reversal of 403651472 is 274156304.

It is not an unprimeable number, because it can be changed into a prime (403651471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181793 + ... + 183999.

Almost surely, 2^403651472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403651472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473112576).

403651472 is an abundant number, since it is smaller than the sum of its proper divisors (542573680).

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

403651472 is a wasteful number, since it uses less digits than its factorization.

403651472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2310 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 403651472 is about 20091.0794135109. The cubic root of 403651472 is about 739.0415348584.

The spelling of 403651472 in words is "four hundred three million, six hundred fifty-one thousand, four hundred seventy-two".