11402423140 has 48 divisors (see below), whose sum is σ = 24381512064. Its totient is φ = 4478284800.

The previous prime is 11402423099. The next prime is 11402423173. The reversal of 11402423140 is 4132420411.

It is a happy number.

11402423140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403060 + ... + 430420.

It is an arithmetic number, because the mean of its divisors is an integer number (507948168).

Almost surely, 2^11402423140 is an apocalyptic number.

11402423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11402423140 is an abundant number, since it is smaller than the sum of its proper divisors (12979088924).

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

11402423140 is a wasteful number, since it uses less digits than its factorization.

11402423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27748 (or 27746 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11402423140 its reverse (4132420411), we get a palindrome (15534843551).

The spelling of 11402423140 in words is "eleven billion, four hundred two million, four hundred twenty-three thousand, one hundred forty".