71435379144 has 32 divisors (see below), whose sum is σ = 184746672000. Its totient is φ = 22990696512.

The previous prime is 71435379133. The next prime is 71435379157. The reversal of 71435379144 is 44197353417.

It is a junction number, because it is equal to n+sod(n) for n = 71435379093 and 71435379102.

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, 51317824 + ... + 51319215.

It is an arithmetic number, because the mean of its divisors is an integer number (5773333500).

Almost surely, 2^71435379144 is an apocalyptic number.

It is an amenable number.

71435379144 is an abundant number, since it is smaller than the sum of its proper divisors (113311292856).

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

71435379144 is a wasteful number, since it uses less digits than its factorization.

71435379144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102637077 (or 102637073 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The spelling of 71435379144 in words is "seventy-one billion, four hundred thirty-five million, three hundred seventy-nine thousand, one hundred forty-four".