40440002141 has 8 divisors (see below), whose sum is σ = 50418704064. Its totient is φ = 31511689920.

The previous prime is 40440002129. The next prime is 40440002143. The reversal of 40440002141 is 14120004404.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40440002141 - 2²² = 40435807837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440002143) 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, 262597340 + ... + 262597493.

It is an arithmetic number, because the mean of its divisors is an integer number (6302338008).

Almost surely, 2^40440002141 is an apocalyptic number.

It is an amenable number.

40440002141 is a deficient number, since it is larger than the sum of its proper divisors (9978701923).

40440002141 is a wasteful number, since it uses less digits than its factorization.

40440002141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525194851.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 40440002141 its reverse (14120004404), we get a palindrome (54560006545).

The spelling of 40440002141 in words is "forty billion, four hundred forty million, two thousand, one hundred forty-one".