11402411440 has 80 divisors (see below), whose sum is σ = 30401679168. Its totient is φ = 3895999488.

The previous prime is 11402411389. The next prime is 11402411459. The reversal of 11402411440 is 4411420411.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129334 + ... + 198826.

Almost surely, 2^11402411440 is an apocalyptic number.

11402411440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11402411440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15200839584).

11402411440 is an abundant number, since it is smaller than the sum of its proper divisors (18999267728).

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

11402411440 is a wasteful number, since it uses less digits than its factorization.

11402411440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69806 (or 69800 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11402411440 its reverse (4411420411), we get a palindrome (15813831851).

The spelling of 11402411440 in words is "eleven billion, four hundred two million, four hundred eleven thousand, four hundred forty".