60640426460 has 12 divisors (see below), whose sum is σ = 127344895608. Its totient is φ = 24256170576.

The previous prime is 60640426447. The next prime is 60640426537. The reversal of 60640426460 is 6462404606.

It is a super-2 number, since 2×60640426460² (a number of 22 digits) contains 22 as substring.

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, 1516010642 + ... + 1516010681.

It is an arithmetic number, because the mean of its divisors is an integer number (10612074634).

Almost surely, 2^60640426460 is an apocalyptic number.

It is an amenable number.

60640426460 is an abundant number, since it is smaller than the sum of its proper divisors (66704469148).

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

60640426460 is a wasteful number, since it uses less digits than its factorization.

60640426460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032021332 (or 3032021330 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 60640426460 in words is "sixty billion, six hundred forty million, four hundred twenty-six thousand, four hundred sixty".