40002440401 has 24 divisors (see below), whose sum is σ = 50335252352. Its totient is φ = 31118472000.

The previous prime is 40002440389. The next prime is 40002440417. The reversal of 40002440401 is 10404420004.

It is not a de Polignac number, because 40002440401 - 2⁹ = 40002439889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40002446401) 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, 469756 + ... + 548338.

Almost surely, 2^40002440401 is an apocalyptic number.

It is an amenable number.

40002440401 is a deficient number, since it is larger than the sum of its proper divisors (10332811951).

40002440401 is a wasteful number, since it uses less digits than its factorization.

40002440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79213 (or 79202 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40002440401 its reverse (10404420004), we get a palindrome (50406860405).

The spelling of 40002440401 in words is "forty billion, two million, four hundred forty thousand, four hundred one".