47282240 has 56 divisors (see below), whose sum is σ = 113507520. Its totient is φ = 18759168.

The previous prime is 47282239. The next prime is 47282269. The reversal of 47282240 is 4228274.

It is a super-2 number, since 2×47282240² = 4471220438835200, which contains 22 as substring.

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, 43949 + ... + 45011.

It is an arithmetic number, because the mean of its divisors is an integer number (2026920).

Almost surely, 2^47282240 is an apocalyptic number.

47282240 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 47282240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56753760).

47282240 is an abundant number, since it is smaller than the sum of its proper divisors (66225280).

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

47282240 is a wasteful number, since it uses less digits than its factorization.

47282240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 47282240 is about 6876.2082574628. The cubic root of 47282240 is about 361.6035463145.

The spelling of 47282240 in words is "forty-seven million, two hundred eighty-two thousand, two hundred forty".