32040144243 has 16 divisors (see below), whose sum is σ = 47469834400. Its totient is φ = 21358766880.

The previous prime is 32040144233. The next prime is 32040144281. The reversal of 32040144243 is 34244104023.

It is a happy number.

It is not a de Polignac number, because 32040144243 - 2⁶ = 32040144179 is a prime.

It is a super-2 number, since 2×32040144243² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32040144223) 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, 612873 + ... + 663093.

It is an arithmetic number, because the mean of its divisors is an integer number (2966864650).

Almost surely, 2^32040144243 is an apocalyptic number.

32040144243 is a deficient number, since it is larger than the sum of its proper divisors (15429690157).

32040144243 is a wasteful number, since it uses less digits than its factorization.

32040144243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73859 (or 73853 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 32040144243 its reverse (34244104023), we get a palindrome (66284248266).

The spelling of 32040144243 in words is "thirty-two billion, forty million, one hundred forty-four thousand, two hundred forty-three".