40244432143 has 6 divisors (see below), whose sum is σ = 40803283104. Its totient is φ = 39693133296.

The previous prime is 40244432113. The next prime is 40244432153. The reversal of 40244432143 is 34123444204.

40244432143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40244432143 - 2²¹ = 40242334991 is a prime.

It is a super-2 number, since 2×40244432143² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244432113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3770655 + ... + 3781312.

It is an arithmetic number, because the mean of its divisors is an integer number (6800547184).

Almost surely, 2^40244432143 is an apocalyptic number.

40244432143 is a deficient number, since it is larger than the sum of its proper divisors (558850961).

40244432143 is an frugal number, since it uses more digits than its factorization.

40244432143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552113 (or 7552040 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40244432143 its reverse (34123444204), we get a palindrome (74367876347).

The spelling of 40244432143 in words is "forty billion, two hundred forty-four million, four hundred thirty-two thousand, one hundred forty-three".