40402032441 has 4 divisors (see below), whose sum is σ = 53869376592. Its totient is φ = 26934688292.

The previous prime is 40402032413. The next prime is 40402032443. The reversal of 40402032441 is 14423020404.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40402032441 - 2⁵ = 40402032409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40402032443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6733672071 + ... + 6733672076.

It is an arithmetic number, because the mean of its divisors is an integer number (13467344148).

Almost surely, 2^40402032441 is an apocalyptic number.

It is an amenable number.

40402032441 is a deficient number, since it is larger than the sum of its proper divisors (13467344151).

40402032441 is a wasteful number, since it uses less digits than its factorization.

40402032441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467344150.

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

Adding to 40402032441 its reverse (14423020404), we get a palindrome (54825052845).

The spelling of 40402032441 in words is "forty billion, four hundred two million, thirty-two thousand, four hundred forty-one".