60400660 has 48 divisors (see below), whose sum is σ = 136624320. Its totient is φ = 22346240.

The previous prime is 60400633. The next prime is 60400661. The reversal of 60400660 is 6600406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60400661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18555 + ... + 21565.

It is an arithmetic number, because the mean of its divisors is an integer number (2846340).

Almost surely, 2^60400660 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 60400660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68312160).

60400660 is an abundant number, since it is smaller than the sum of its proper divisors (76223660).

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

60400660 is a wasteful number, since it uses less digits than its factorization.

60400660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3094 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 60400660 is about 7771.7861524877. The cubic root of 60400660 is about 392.3562376661.

The spelling of 60400660 in words is "sixty million, four hundred thousand, six hundred sixty".