40144330401 has 24 divisors (see below), whose sum is σ = 62496204480. Its totient is φ = 22854317472.

The previous prime is 40144330363. The next prime is 40144330409. The reversal of 40144330401 is 10403344104.

40144330401 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 40144330401 - 2¹⁸ = 40144068257 is a prime.

It is a super-2 number, since 2×40144330401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40144330409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468061 + ... + 547146.

It is an arithmetic number, because the mean of its divisors is an integer number (2604008520).

Almost surely, 2^40144330401 is an apocalyptic number.

It is an amenable number.

40144330401 is a deficient number, since it is larger than the sum of its proper divisors (22351874079).

40144330401 is a wasteful number, since it uses less digits than its factorization.

40144330401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015493 (or 1015486 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40144330401 its reverse (10403344104), we get a palindrome (50547674505).

The spelling of 40144330401 in words is "forty billion, one hundred forty-four million, three hundred thirty thousand, four hundred one".