68511714240 has 112 divisors (see below), whose sum is σ = 222583540608. Its totient is φ = 17844900864.

The previous prime is 68511714239. The next prime is 68511714307. The reversal of 68511714240 is 4241711586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788562 + ... + 871121.

Almost surely, 2^68511714240 is an apocalyptic number.

68511714240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68511714240 is an abundant number, since it is smaller than the sum of its proper divisors (154071826368).

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

68511714240 is a wasteful number, since it uses less digits than its factorization.

68511714240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659746 (or 1659736 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 68511714240 in words is "sixty-eight billion, five hundred eleven million, seven hundred fourteen thousand, two hundred forty".