12440201380 has 24 divisors (see below), whose sum is σ = 26150826240. Its totient is φ = 4971051360.

The previous prime is 12440201377. The next prime is 12440201381. The reversal of 12440201380 is 8310204421.

It is a super-2 number, since 2×12440201380² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12440201381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294010 + ... + 333649.

It is an arithmetic number, because the mean of its divisors is an integer number (1089617760).

Almost surely, 2^12440201380 is an apocalyptic number.

12440201380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440201380 is an abundant number, since it is smaller than the sum of its proper divisors (13710624860).

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

12440201380 is a wasteful number, since it uses less digits than its factorization.

12440201380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628659 (or 628657 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 12440201380 in words is "twelve billion, four hundred forty million, two hundred one thousand, three hundred eighty".