40454400401 has 12 divisors (see below), whose sum is σ = 41593311900. Its totient is φ = 39345894720.

The previous prime is 40454400361. The next prime is 40454400403. The reversal of 40454400401 is 10400445404.

It can be written as a sum of positive squares in 6 ways, for example, as 3135888001 + 37318512400 = 55999^2 + 193180^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40454400401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40454400403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5501075 + ... + 5508423.

It is an arithmetic number, because the mean of its divisors is an integer number (3466109325).

Almost surely, 2^40454400401 is an apocalyptic number.

It is an amenable number.

40454400401 is a deficient number, since it is larger than the sum of its proper divisors (1138911499).

40454400401 is an equidigital number, since it uses as much as digits as its factorization.

40454400401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11444 (or 11407 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 40454400401 its reverse (10400445404), we get a palindrome (50854845805).

The spelling of 40454400401 in words is "forty billion, four hundred fifty-four million, four hundred thousand, four hundred one".