60440013 has 20 divisors (see below), whose sum is σ = 91824480. Its totient is φ = 39607272.

The previous prime is 60439997. The next prime is 60440053. The reversal of 60440013 is 31004406.

It is not a de Polignac number, because 60440013 - 2⁴ = 60439997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60440053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1545 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (4591224).

Almost surely, 2^60440013 is an apocalyptic number.

It is an amenable number.

60440013 is a deficient number, since it is larger than the sum of its proper divisors (31384467).

60440013 is a wasteful number, since it uses less digits than its factorization.

60440013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12718 (or 12709 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 60440013 is about 7774.3175263170. The cubic root of 60440013 is about 392.4414301289.

Adding to 60440013 its reverse (31004406), we get a palindrome (91444419).

The spelling of 60440013 in words is "sixty million, four hundred forty thousand, thirteen".