60644246004 has 36 divisors (see below), whose sum is σ = 159960187296. Its totient is φ = 19335846288.

The previous prime is 60644245967. The next prime is 60644246009. The reversal of 60644246004 is 40064244606.

It is a happy number.

60644246004 is a `hidden beast` number, since 6 + 0 + 6 + 4 + 42 + 4 + 600 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 60644246004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60644246009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36620094 + ... + 36621749.

It is an arithmetic number, because the mean of its divisors is an integer number (4443338536).

Almost surely, 2^60644246004 is an apocalyptic number.

It is an amenable number.

60644246004 is an abundant number, since it is smaller than the sum of its proper divisors (99315941292).

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

60644246004 is a wasteful number, since it uses less digits than its factorization.

60644246004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73241876 (or 73241871 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 60644246004 in words is "sixty billion, six hundred forty-four million, two hundred forty-six thousand, four".