40003402401 has 24 divisors (see below), whose sum is σ = 59995877760. Its totient is φ = 25654255200.

The previous prime is 40003402367. The next prime is 40003402403. The reversal of 40003402401 is 10420430004.

It is not a de Polignac number, because 40003402401 - 2¹⁸ = 40003140257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40003402403) 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, 212055 + ... + 353516.

It is an arithmetic number, because the mean of its divisors is an integer number (2499828240).

Almost surely, 2^40003402401 is an apocalyptic number.

It is an amenable number.

40003402401 is a deficient number, since it is larger than the sum of its proper divisors (19992475359).

40003402401 is a wasteful number, since it uses less digits than its factorization.

40003402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565877 (or 565874 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40003402401 its reverse (10420430004), we get a palindrome (50423832405).

The spelling of 40003402401 in words is "forty billion, three million, four hundred two thousand, four hundred one".