12442535760 has 80 divisors (see below), whose sum is σ = 38767804416. Its totient is φ = 3301154304.

The previous prime is 12442535747. The next prime is 12442535761. The reversal of 12442535760 is 6753524421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12442535760² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442535761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84304 + ... + 178863.

Almost surely, 2^12442535760 is an apocalyptic number.

12442535760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12442535760 is an abundant number, since it is smaller than the sum of its proper divisors (26325268656).

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

12442535760 is a wasteful number, since it uses less digits than its factorization.

12442535760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263380 (or 263374 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 12442535760 in words is "twelve billion, four hundred forty-two million, five hundred thirty-five thousand, seven hundred sixty".