4012040320401 has 64 divisors (see below), whose sum is σ = 5677616835072. Its totient is φ = 2516624640000.

The previous prime is 4012040320381. The next prime is 4012040320429. The reversal of 4012040320401 is 1040230402104.

It is not a de Polignac number, because 4012040320401 - 2¹⁰ = 4012040319377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4012040320441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256172511 + ... + 256188171.

It is an arithmetic number, because the mean of its divisors is an integer number (88712763048).

Almost surely, 2^{4012040320401} is an apocalyptic number.

4012040320401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4012040320401 is a deficient number, since it is larger than the sum of its proper divisors (1665576514671).

4012040320401 is a wasteful number, since it uses less digits than its factorization.

4012040320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16234.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 4012040320401 its reverse (1040230402104), we get a palindrome (5052270722505).

The spelling of 4012040320401 in words is "four trillion, twelve billion, forty million, three hundred twenty thousand, four hundred one".