11322142040 has 32 divisors (see below), whose sum is σ = 27790713360. Its totient is φ = 4117142400.

The previous prime is 11322141991. The next prime is 11322142049. The reversal of 11322142040 is 4024122311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322142049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12865631 + ... + 12866510.

Almost surely, 2^11322142040 is an apocalyptic number.

11322142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11322142040 is an abundant number, since it is smaller than the sum of its proper divisors (16468571320).

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

11322142040 is a wasteful number, since it uses less digits than its factorization.

11322142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25732163 (or 25732159 counting only the distinct ones).

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

Adding to 11322142040 its reverse (4024122311), we get a palindrome (15346264351).

The spelling of 11322142040 in words is "eleven billion, three hundred twenty-two million, one hundred forty-two thousand, forty".