47124439918 has 16 divisors (see below), whose sum is σ = 71236946880. Its totient is φ = 23378957056.

The previous prime is 47124439897. The next prime is 47124439931. The reversal of 47124439918 is 81993442174.

It is a happy number.

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, 542955 + ... + 623737.

It is an arithmetic number, because the mean of its divisors is an integer number (4452309180).

Almost surely, 2^47124439918 is an apocalyptic number.

47124439918 is a deficient number, since it is larger than the sum of its proper divisors (24112506962).

47124439918 is a wasteful number, since it uses less digits than its factorization.

47124439918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83051.

The product of its digits is 1741824, while the sum is 52.

The spelling of 47124439918 in words is "forty-seven billion, one hundred twenty-four million, four hundred thirty-nine thousand, nine hundred eighteen".