60518640 has 320 divisors, whose sum is σ = 245984256. Its totient is φ = 11943936.

The previous prime is 60518639. The next prime is 60518651. The reversal of 60518640 is 4681506.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 60518598 and 60518607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 371199 + ... + 371361.

Almost surely, 2^60518640 is an apocalyptic number.

60518640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60518640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122992128).

60518640 is an abundant number, since it is smaller than the sum of its proper divisors (185465616).

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

60518640 is a wasteful number, since it uses less digits than its factorization.

60518640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 60518640 is about 7779.3727253552. The cubic root of 60518640 is about 392.6115333434.

The spelling of 60518640 in words is "sixty million, five hundred eighteen thousand, six hundred forty".