47440436403 has 4 divisors (see below), whose sum is σ = 63253915208. Its totient is φ = 31626957600.

The previous prime is 47440436401. The next prime is 47440436411. The reversal of 47440436403 is 30463404474.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47440436403 - 2¹ = 47440436401 is a prime.

It is a super-2 number, since 2×47440436403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47440436401) 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, 7906739398 + ... + 7906739403.

It is an arithmetic number, because the mean of its divisors is an integer number (15813478802).

Almost surely, 2^47440436403 is an apocalyptic number.

47440436403 is a deficient number, since it is larger than the sum of its proper divisors (15813478805).

47440436403 is a wasteful number, since it uses less digits than its factorization.

47440436403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15813478804.

The product of its (nonzero) digits is 387072, while the sum is 39.

The spelling of 47440436403 in words is "forty-seven billion, four hundred forty million, four hundred thirty-six thousand, four hundred three".