47440320 has 56 divisors (see below), whose sum is σ = 150626064. Its totient is φ = 12650496.

The previous prime is 47440313. The next prime is 47440331. The reversal of 47440320 is 2304474.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23749 + ... + 25668.

Almost surely, 2^47440320 is an apocalyptic number.

47440320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47440320 is an abundant number, since it is smaller than the sum of its proper divisors (103185744).

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

47440320 is a wasteful number, since it uses less digits than its factorization.

47440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49437 (or 49427 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 47440320 is about 6887.6933729660. The cubic root of 47440320 is about 362.0060843681.

Adding to 47440320 its reverse (2304474), we get a palindrome (49744794).

The spelling of 47440320 in words is "forty-seven million, four hundred forty thousand, three hundred twenty".