47144404 has 12 divisors (see below), whose sum is σ = 82796224. Its totient is φ = 23488344.

The previous prime is 47144393. The next prime is 47144407. The reversal of 47144404 is 40444174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47144407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19692 + ... + 21955.

Almost surely, 2^47144404 is an apocalyptic number.

It is an amenable number.

47144404 is a deficient number, since it is larger than the sum of its proper divisors (35651820).

47144404 is a wasteful number, since it uses less digits than its factorization.

47144404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41934 (or 41932 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 47144404 is about 6866.1782674207. The cubic root of 47144404 is about 361.2518251206.

Adding to 47144404 its reverse (40444174), we get a palindrome (87588578).

The spelling of 47144404 in words is "forty-seven million, one hundred forty-four thousand, four hundred four".