68501140446 has 32 divisors (see below), whose sum is σ = 137800470528. Its totient is φ = 22700956320.

The previous prime is 68501140429. The next prime is 68501140447. The reversal of 68501140446 is 64404110586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68501140447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979051 + ... + 1046681.

It is an arithmetic number, because the mean of its divisors is an integer number (4306264704).

Almost surely, 2^68501140446 is an apocalyptic number.

68501140446 is an abundant number, since it is smaller than the sum of its proper divisors (69299330082).

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

68501140446 is a wasteful number, since it uses less digits than its factorization.

68501140446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68616.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 68501140446 in words is "sixty-eight billion, five hundred one million, one hundred forty thousand, four hundred forty-six".