2240440400040 has 32 divisors (see below), whose sum is σ = 6721321200480. Its totient is φ = 597450773312.

The previous prime is 2240440399999. The next prime is 2240440400041. The reversal of 2240440400040 is 400040440422.

It is a super-2 number, since 2×2240440400040² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2240440400041) 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, 9335168214 + ... + 9335168453.

It is an arithmetic number, because the mean of its divisors is an integer number (210041287515).

Almost surely, 2^{2240440400040} is an apocalyptic number.

2240440400040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240440400040 is an abundant number, since it is smaller than the sum of its proper divisors (4480880800440).

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

2240440400040 is a wasteful number, since it uses less digits than its factorization.

2240440400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670336681 (or 18670336677 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2240440400040 its reverse (400040440422), we get a palindrome (2640480840462).

The spelling of 2240440400040 in words is "two trillion, two hundred forty billion, four hundred forty million, four hundred thousand, forty".