44001246243 has 16 divisors (see below), whose sum is σ = 58812397056. Its totient is φ = 29262205440.

The previous prime is 44001246239. The next prime is 44001246257. The reversal of 44001246243 is 34264210044.

It is not a de Polignac number, because 44001246243 - 2² = 44001246239 is a prime.

It is a super-2 number, since 2×44001246243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44001246243.

It is not an unprimeable number, because it can be changed into a prime (44001246143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2607130 + ... + 2623952.

It is an arithmetic number, because the mean of its divisors is an integer number (3675774816).

Almost surely, 2^44001246243 is an apocalyptic number.

44001246243 is a deficient number, since it is larger than the sum of its proper divisors (14811150813).

44001246243 is a wasteful number, since it uses less digits than its factorization.

44001246243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18914.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 44001246243 its reverse (34264210044), we get a palindrome (78265456287).

The spelling of 44001246243 in words is "forty-four billion, one million, two hundred forty-six thousand, two hundred forty-three".