11022407640 has 256 divisors, whose sum is σ = 39004416000. Its totient is φ = 2759178240.

The previous prime is 11022407621. The next prime is 11022407659. The reversal of 11022407640 is 4670422011.

11022407640 is a `hidden beast` number, since 1 + 10 + 2 + 2 + 4 + 0 + 7 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (11022407621) and next prime (11022407659).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12098785 + ... + 12099695.

It is an arithmetic number, because the mean of its divisors is an integer number (152361000).

Almost surely, 2^11022407640 is an apocalyptic number.

11022407640 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 11022407640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19502208000).

11022407640 is an abundant number, since it is smaller than the sum of its proper divisors (27982008360).

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

11022407640 is a wasteful number, since it uses less digits than its factorization.

11022407640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 11022407640 its reverse (4670422011), we get a palindrome (15692829651).

The spelling of 11022407640 in words is "eleven billion, twenty-two million, four hundred seven thousand, six hundred forty".