44200023400421 has 32 divisors (see below), whose sum is σ = 51421859721216. Its totient is φ = 37209230352000.

The previous prime is 44200023400411. The next prime is 44200023400439. The reversal of 44200023400421 is 12400432000244.

It is a happy number.

It is not a de Polignac number, because 44200023400421 - 2¹⁸ = 44200023138277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44200023400411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546158066 + ... + 546238988.

It is an arithmetic number, because the mean of its divisors is an integer number (1606933116288).

Almost surely, 2^{44200023400421} is an apocalyptic number.

It is an amenable number.

44200023400421 is a deficient number, since it is larger than the sum of its proper divisors (7221836320795).

44200023400421 is a wasteful number, since it uses less digits than its factorization.

44200023400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85193.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 44200023400421 its reverse (12400432000244), we get a palindrome (56600455400665).

The spelling of 44200023400421 in words is "forty-four trillion, two hundred billion, twenty-three million, four hundred thousand, four hundred twenty-one".