71144435350 has 24 divisors (see below), whose sum is σ = 133638843888. Its totient is φ = 28176012000.

The previous prime is 71144435321. The next prime is 71144435387. The reversal of 71144435350 is 5353444117.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7038954 + ... + 7049053.

It is an arithmetic number, because the mean of its divisors is an integer number (5568285162).

Almost surely, 2^71144435350 is an apocalyptic number.

71144435350 is a deficient number, since it is larger than the sum of its proper divisors (62494408538).

71144435350 is a wasteful number, since it uses less digits than its factorization.

71144435350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088120 (or 14088115 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 71144435350 its reverse (5353444117), we get a palindrome (76497879467).

The spelling of 71144435350 in words is "seventy-one billion, one hundred forty-four million, four hundred thirty-five thousand, three hundred fifty".