2240040420456 has 32 divisors (see below), whose sum is σ = 5609641292640. Its totient is φ = 745408107968.

The previous prime is 2240040420407. The next prime is 2240040420463. The reversal of 2240040420456 is 6540240400422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79487631 + ... + 79515806.

It is an arithmetic number, because the mean of its divisors is an integer number (175301290395).

Almost surely, 2^{2240040420456} is an apocalyptic number.

It is an amenable number.

2240040420456 is an abundant number, since it is smaller than the sum of its proper divisors (3369600872184).

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

2240040420456 is a wasteful number, since it uses less digits than its factorization.

2240040420456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159004033 (or 159004029 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 2240040420456 its reverse (6540240400422), we get a palindrome (8780280820878).

The spelling of 2240040420456 in words is "two trillion, two hundred forty billion, forty million, four hundred twenty thousand, four hundred fifty-six".