71308042495002 has 160 divisors (see below), whose sum is σ = 170343152020800. Its totient is φ = 22231161545472.

The previous prime is 71308042494973. The next prime is 71308042495003. The reversal of 71308042495002 is 20059424080317.

71308042495002 is a `hidden beast` number, since 7 + 130 + 8 + 0 + 4 + 2 + 4 + 9 + 500 + 2 = 666.

It is a super-2 number, since 2×71308042495002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71308042495003) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 178684813 + ... + 179083439.

It is an arithmetic number, because the mean of its divisors is an integer number (1064644700130).

Almost surely, 2^{71308042495002} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71308042495002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85171576010400).

71308042495002 is an abundant number, since it is smaller than the sum of its proper divisors (99035109525798).

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

71308042495002 is a wasteful number, since it uses less digits than its factorization.

71308042495002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399402 (or 399393 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 71308042495002 in words is "seventy-one trillion, three hundred eight billion, forty-two million, four hundred ninety-five thousand, two".