11401232340 has 48 divisors (see below), whose sum is σ = 33603635520. Its totient is φ = 2880311040.

The previous prime is 11401232309. The next prime is 11401232369. The reversal of 11401232340 is 4323210411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999401 + ... + 5001680.

It is an arithmetic number, because the mean of its divisors is an integer number (700075740).

Almost surely, 2^11401232340 is an apocalyptic number.

11401232340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401232340 is an abundant number, since it is smaller than the sum of its proper divisors (22202403180).

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

11401232340 is a wasteful number, since it uses less digits than its factorization.

11401232340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001112 (or 10001110 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11401232340 its reverse (4323210411), we get a palindrome (15724442751).

The spelling of 11401232340 in words is "eleven billion, four hundred one million, two hundred thirty-two thousand, three hundred forty".