47144484 has 24 divisors (see below), whose sum is σ = 122226720. Its totient is φ = 15714792.

The previous prime is 47144479. The next prime is 47144509. The reversal of 47144484 is 48444174.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 218154 + ... + 218369.

It is an arithmetic number, because the mean of its divisors is an integer number (5092780).

Almost surely, 2^47144484 is an apocalyptic number.

It is an amenable number.

47144484 is an abundant number, since it is smaller than the sum of its proper divisors (75082236).

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

47144484 is a wasteful number, since it uses less digits than its factorization.

47144484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436536 (or 436528 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 47144484 is about 6866.1840930753. The cubic root of 47144484 is about 361.2520294582.

The spelling of 47144484 in words is "forty-seven million, one hundred forty-four thousand, four hundred eighty-four".