11420040000 has 280 divisors, whose sum is σ = 38421076320. Its totient is φ = 2991872000.

The previous prime is 11420039989. The next prime is 11420040029. The reversal of 11420040000 is 4002411.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7079194 + ... + 7080806.

Almost surely, 2^11420040000 is an apocalyptic number.

11420040000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19210538160).

11420040000 is an abundant number, since it is smaller than the sum of its proper divisors (27001036320).

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

11420040000 is an equidigital number, since it uses as much as digits as its factorization.

11420040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11420040000 its reverse (4002411), we get a palindrome (11424042411).

The spelling of 11420040000 in words is "eleven billion, four hundred twenty million, forty thousand".