11420424040 has 16 divisors (see below), whose sum is σ = 25695954180. Its totient is φ = 4568169600.

The previous prime is 11420424023. The next prime is 11420424049. The reversal of 11420424040 is 4042402411.

It can be written as a sum of positive squares in 2 ways, for example, as 11402395524 + 18028516 = 106782^2 + 4246^2 .

It is not an unprimeable number, because it can be changed into a prime (11420424049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142755261 + ... + 142755340.

Almost surely, 2^11420424040 is an apocalyptic number.

11420424040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420424040 is an abundant number, since it is smaller than the sum of its proper divisors (14275530140).

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

11420424040 is a wasteful number, since it uses less digits than its factorization.

11420424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285510612 (or 285510608 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 11420424040 its reverse (4042402411), we get a palindrome (15462826451).

The spelling of 11420424040 in words is "eleven billion, four hundred twenty million, four hundred twenty-four thousand, forty".