60438881820 has 48 divisors (see below), whose sum is σ = 178135655040. Its totient is φ = 15268769856.

The previous prime is 60438881753. The next prime is 60438881837. The reversal of 60438881820 is 2818883406.

It is a self number, because there is not a number n which added to its sum of digits gives 60438881820.

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, 26507142 + ... + 26509421.

It is an arithmetic number, because the mean of its divisors is an integer number (3711159480).

Almost surely, 2^60438881820 is an apocalyptic number.

60438881820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60438881820 is an abundant number, since it is smaller than the sum of its proper divisors (117696773220).

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

60438881820 is a wasteful number, since it uses less digits than its factorization.

60438881820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53016594 (or 53016592 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 60438881820 in words is "sixty billion, four hundred thirty-eight million, eight hundred eighty-one thousand, eight hundred twenty".