11401430240 has 24 divisors (see below), whose sum is σ = 26935879320. Its totient is φ = 4560572032.

The previous prime is 11401430221. The next prime is 11401430291. The reversal of 11401430240 is 4203410411.

It is a super-2 number, since 2×11401430240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35629310 + ... + 35629629.

It is an arithmetic number, because the mean of its divisors is an integer number (1122328305).

Almost surely, 2^11401430240 is an apocalyptic number.

11401430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401430240 is an abundant number, since it is smaller than the sum of its proper divisors (15534449080).

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

11401430240 is an equidigital number, since it uses as much as digits as its factorization.

11401430240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71258954 (or 71258946 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11401430240 its reverse (4203410411), we get a palindrome (15604840651).

The spelling of 11401430240 in words is "eleven billion, four hundred one million, four hundred thirty thousand, two hundred forty".