40444884801 has 12 divisors (see below), whose sum is σ = 58956357460. Its totient is φ = 26715886560.

The previous prime is 40444884797. The next prime is 40444884803. The reversal of 40444884801 is 10848844404.

It can be written as a sum of positive squares in 2 ways, for example, as 22468511025 + 17976373776 = 149895^2 + 134076^2 .

It is not a de Polignac number, because 40444884801 - 2² = 40444884797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40444884803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20613130 + ... + 20615091.

Almost surely, 2^40444884801 is an apocalyptic number.

It is an amenable number.

40444884801 is a deficient number, since it is larger than the sum of its proper divisors (18511472659).

40444884801 is a wasteful number, since it uses less digits than its factorization.

40444884801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41228336 (or 41228333 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 45.

The spelling of 40444884801 in words is "forty billion, four hundred forty-four million, eight hundred eighty-four thousand, eight hundred one".