60406400260 has 12 divisors (see below), whose sum is σ = 126853440588. Its totient is φ = 24162560096.

The previous prime is 60406400239. The next prime is 60406400261. The reversal of 60406400260 is 6200460406.

It can be written as a sum of positive squares in 2 ways, for example, as 20827685124 + 39578715136 = 144318^2 + 198944^2 .

It is a super-4 number, since 4×60406400260⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (60406400261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510159987 + ... + 1510160026.

It is an arithmetic number, because the mean of its divisors is an integer number (10571120049).

Almost surely, 2^60406400260 is an apocalyptic number.

It is an amenable number.

60406400260 is an abundant number, since it is smaller than the sum of its proper divisors (66447040328).

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

60406400260 is a wasteful number, since it uses less digits than its factorization.

60406400260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020320022 (or 3020320020 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 60406400260 its reverse (6200460406), we get a palindrome (66606860666).

The spelling of 60406400260 in words is "sixty billion, four hundred six million, four hundred thousand, two hundred sixty".