40244012043 has 16 divisors (see below), whose sum is σ = 56487600000. Its totient is φ = 25415121600.

The previous prime is 40244012023. The next prime is 40244012063. The reversal of 40244012043 is 34021044204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40244012023) and next prime (40244012063).

It is not a de Polignac number, because 40244012043 - 2¹⁸ = 40243749899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40244012023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904468 + ... + 947918.

It is an arithmetic number, because the mean of its divisors is an integer number (3530475000).

Almost surely, 2^40244012043 is an apocalyptic number.

40244012043 is a deficient number, since it is larger than the sum of its proper divisors (16243587957).

40244012043 is a wasteful number, since it uses less digits than its factorization.

40244012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59722.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40244012043 its reverse (34021044204), we get a palindrome (74265056247).

The spelling of 40244012043 in words is "forty billion, two hundred forty-four million, twelve thousand, forty-three".