2244020400440 has 64 divisors (see below), whose sum is σ = 6214210349760. Its totient is φ = 710195466240.

The previous prime is 2244020400439. The next prime is 2244020400491. The reversal of 2244020400440 is 440040204422.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308240921 + ... + 308248200.

It is an arithmetic number, because the mean of its divisors is an integer number (97097036715).

Almost surely, 2^{2244020400440} is an apocalyptic number.

2244020400440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244020400440 is an abundant number, since it is smaller than the sum of its proper divisors (3970189949320).

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

2244020400440 is a wasteful number, since it uses less digits than its factorization.

2244020400440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616489152 (or 616489148 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2244020400440 its reverse (440040204422), we get a palindrome (2684060604862).

The spelling of 2244020400440 in words is "two trillion, two hundred forty-four billion, twenty million, four hundred thousand, four hundred forty".