40244144001 has 8 divisors (see below), whose sum is σ = 54800536704. Its totient is φ = 26258590320.

The previous prime is 40244143957. The next prime is 40244144021. The reversal of 40244144001 is 10044144204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40244144001 - 2⁶ = 40244143937 is a prime.

It is a super-2 number, since 2×40244144001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40244144021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142709590 + ... + 142709871.

It is an arithmetic number, because the mean of its divisors is an integer number (6850067088).

Almost surely, 2^40244144001 is an apocalyptic number.

It is an amenable number.

40244144001 is a deficient number, since it is larger than the sum of its proper divisors (14556392703).

40244144001 is a wasteful number, since it uses less digits than its factorization.

40244144001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285419511.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 40244144001 its reverse (10044144204), we get a palindrome (50288288205).

The spelling of 40244144001 in words is "forty billion, two hundred forty-four million, one hundred forty-four thousand, one".