60642060440 has 96 divisors (see below), whose sum is σ = 149212270800. Its totient is φ = 22168972800.

The previous prime is 60642060421. The next prime is 60642060497. The reversal of 60642060440 is 4406024606.

It is a super-2 number, since 2×60642060440² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 60642060397 and 60642060406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638351 + ... + 727169.

Almost surely, 2^60642060440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60642060440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74606135400).

60642060440 is an abundant number, since it is smaller than the sum of its proper divisors (88570210360).

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

60642060440 is a wasteful number, since it uses less digits than its factorization.

60642060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88957 (or 88940 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 60642060440 in words is "sixty billion, six hundred forty-two million, sixty thousand, four hundred forty".