11404320140 has 24 divisors (see below), whose sum is σ = 24051867840. Its totient is φ = 4542147968.

The previous prime is 11404320139. The next prime is 11404320211. The reversal of 11404320140 is 4102340411.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218980 + ... + 1228299.

It is an arithmetic number, because the mean of its divisors is an integer number (1002161160).

Almost surely, 2^11404320140 is an apocalyptic number.

11404320140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404320140 is an abundant number, since it is smaller than the sum of its proper divisors (12647547700).

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

11404320140 is a wasteful number, since it uses less digits than its factorization.

11404320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447521 (or 2447519 counting only the distinct ones).

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

Adding to 11404320140 its reverse (4102340411), we get a palindrome (15506660551).

The spelling of 11404320140 in words is "eleven billion, four hundred four million, three hundred twenty thousand, one hundred forty".