472303440 has 160 divisors (see below), whose sum is σ = 1859285760. Its totient is φ = 107951616.

The previous prime is 472303439. The next prime is 472303441. The reversal of 472303440 is 44303274.

It is an interprime number because it is at equal distance from previous prime (472303439) and next prime (472303441).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472303441) 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 31 ways as a sum of consecutive naturals, for example, 499 + ... + 30738.

It is an arithmetic number, because the mean of its divisors is an integer number (11620536).

Almost surely, 2^472303440 is an apocalyptic number.

472303440 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 472303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929642880).

472303440 is an abundant number, since it is smaller than the sum of its proper divisors (1386982320).

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

472303440 is a wasteful number, since it uses less digits than its factorization.

472303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31266 (or 31254 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 472303440 is about 21732.5433394253. The cubic root of 472303440 is about 778.7660964203.

The spelling of 472303440 in words is "four hundred seventy-two million, three hundred three thousand, four hundred forty".