71142460416 has 66 divisors (see below), whose sum is σ = 205422337172. Its totient is φ = 23714150400.

The previous prime is 71142460379. The next prime is 71142460451. The reversal of 71142460416 is 61406424117.

It is a happy number.

71142460416 is a `hidden beast` number, since 7 + 1 + 1 + 42 + 4 + 604 + 1 + 6 = 666.

It is a super-2 number, since 2×71142460416² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3850510 + ... + 3868941.

Almost surely, 2^71142460416 is an apocalyptic number.

It is an amenable number.

71142460416 is an abundant number, since it is smaller than the sum of its proper divisors (134279876756).

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

71142460416 is a wasteful number, since it uses less digits than its factorization.

71142460416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719477 (or 7719456 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 71142460416 in words is "seventy-one billion, one hundred forty-two million, four hundred sixty thousand, four hundred sixteen".