71399698328040 has 128 divisors (see below), whose sum is σ = 215073723052800. Its totient is φ = 18962312130560.

The previous prime is 71399698328039. The next prime is 71399698328053. The reversal of 71399698328040 is 4082389699317.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32228800 + ... + 34372880.

It is an arithmetic number, because the mean of its divisors is an integer number (1680263461350).

Almost surely, 2^{71399698328040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71399698328040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107536861526400).

71399698328040 is an abundant number, since it is smaller than the sum of its proper divisors (143674024724760).

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

71399698328040 is a wasteful number, since it uses less digits than its factorization.

71399698328040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145227 (or 2145223 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 69.

The spelling of 71399698328040 in words is "seventy-one trillion, three hundred ninety-nine billion, six hundred ninety-eight million, three hundred twenty-eight thousand, forty".