11420002040 has 32 divisors (see below), whose sum is σ = 25701274080. Its totient is φ = 4566886272.

The previous prime is 11420002007. The next prime is 11420002057. The reversal of 11420002040 is 4020002411.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 142277 + ... + 207563.

It is an arithmetic number, because the mean of its divisors is an integer number (803164815).

Almost surely, 2^11420002040 is an apocalyptic number.

11420002040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420002040 is an abundant number, since it is smaller than the sum of its proper divisors (14281272040).

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

11420002040 is a wasteful number, since it uses less digits than its factorization.

11420002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69671 (or 69667 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 11420002040 its reverse (4020002411), we get a palindrome (15440004451).

The spelling of 11420002040 in words is "eleven billion, four hundred twenty million, two thousand, forty".