47433440 has 48 divisors (see below), whose sum is σ = 113354640. Its totient is φ = 18754560.

The previous prime is 47433427. The next prime is 47433469. The reversal of 47433440 is 4433474.

47433440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12575 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (2361555).

Almost surely, 2^47433440 is an apocalyptic number.

47433440 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 47433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56677320).

47433440 is an abundant number, since it is smaller than the sum of its proper divisors (65921200).

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

47433440 is a wasteful number, since it uses less digits than its factorization.

47433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3427 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 47433440 is about 6887.1939133438. The cubic root of 47433440 is about 361.9885836270.

The spelling of 47433440 in words is "forty-seven million, four hundred thirty-three thousand, four hundred forty".