71426047550 has 96 divisors (see below), whose sum is σ = 161113688064. Its totient is φ = 23201712000.

The previous prime is 71426047547. The next prime is 71426047573. The reversal of 71426047550 is 5574062417.

It is a super-2 number, since 2×71426047550² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71426047498 and 71426047507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60527 + ... + 382773.

It is an arithmetic number, because the mean of its divisors is an integer number (1678267584).

Almost surely, 2^71426047550 is an apocalyptic number.

71426047550 is an abundant number, since it is smaller than the sum of its proper divisors (89687640514).

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

71426047550 is a wasteful number, since it uses less digits than its factorization.

71426047550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322314 (or 322309 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 71426047550 in words is "seventy-one billion, four hundred twenty-six million, forty-seven thousand, five hundred fifty".