64060142326520 has 16 divisors (see below), whose sum is σ = 144135320234760. Its totient is φ = 25624056930592.

The previous prime is 64060142326493. The next prime is 64060142326559. The reversal of 64060142326520 is 2562324106046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800751779042 + ... + 800751779121.

Almost surely, 2^{64060142326520} is an apocalyptic number.

It is an amenable number.

64060142326520 is an abundant number, since it is smaller than the sum of its proper divisors (80075177908240).

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

64060142326520 is a wasteful number, since it uses less digits than its factorization.

64060142326520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601503558174 (or 1601503558170 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 64060142326520 in words is "sixty-four trillion, sixty billion, one hundred forty-two million, three hundred twenty-six thousand, five hundred twenty".