2043441340402 has 36 divisors (see below), whose sum is σ = 3919209535710. Its totient is φ = 796145972160.

The previous prime is 2043441340349. The next prime is 2043441340403. The reversal of 2043441340402 is 2040431443402.

It can be written as a sum of positive squares in only one way, i.e., 1179246136761 + 864195203641 = 1085931^2 + 929621^2 .

It is not an unprimeable number, because it can be changed into a prime (2043441340403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86151127 + ... + 86174842.

Almost surely, 2^{2043441340402} is an apocalyptic number.

2043441340402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2043441340402 is a deficient number, since it is larger than the sum of its proper divisors (1875768195308).

2043441340402 is a wasteful number, since it uses less digits than its factorization.

2043441340402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172326007 (or 172325989 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2043441340402 its reverse (2040431443402), we get a palindrome (4083872783804).

The spelling of 2043441340402 in words is "two trillion, forty-three billion, four hundred forty-one million, three hundred forty thousand, four hundred two".