60120355540 has 48 divisors (see below), whose sum is σ = 144600648192. Its totient is φ = 20568151296.

The previous prime is 60120355511. The next prime is 60120355567. The reversal of 60120355540 is 4555302106.

It is a super-3 number, since 3×60120355540³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 398929 + ... + 528568.

It is an arithmetic number, because the mean of its divisors is an integer number (3012513504).

Almost surely, 2^60120355540 is an apocalyptic number.

It is an amenable number.

60120355540 is an abundant number, since it is smaller than the sum of its proper divisors (84480292652).

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

60120355540 is a wasteful number, since it uses less digits than its factorization.

60120355540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927976 (or 927974 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 60120355540 its reverse (4555302106), we get a palindrome (64675657646).

The spelling of 60120355540 in words is "sixty billion, one hundred twenty million, three hundred fifty-five thousand, five hundred forty".