71550243446 has 24 divisors (see below), whose sum is σ = 122037118560. Its totient is φ = 31401357680.

The previous prime is 71550243437. The next prime is 71550243461. The reversal of 71550243446 is 64434205517.

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, 5090606 + ... + 5104641.

It is an arithmetic number, because the mean of its divisors is an integer number (5084879940).

Almost surely, 2^71550243446 is an apocalyptic number.

71550243446 is a deficient number, since it is larger than the sum of its proper divisors (50486875114).

71550243446 is a wasteful number, since it uses less digits than its factorization.

71550243446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195300 (or 10195289 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 71550243446 in words is "seventy-one billion, five hundred fifty million, two hundred forty-three thousand, four hundred forty-six".