4040400441 has 16 divisors (see below), whose sum is σ = 6716510208. Its totient is φ = 2098909200.

The previous prime is 4040400389. The next prime is 4040400451. The reversal of 4040400441 is 1440040404.

It is not a de Polignac number, because 4040400441 - 2¹⁴ = 4040384057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (4040400451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8745225 + ... + 8745686.

It is an arithmetic number, because the mean of its divisors is an integer number (419781888).

Almost surely, 2^4040400441 is an apocalyptic number.

It is an amenable number.

4040400441 is a deficient number, since it is larger than the sum of its proper divisors (2676109767).

4040400441 is a wasteful number, since it uses less digits than its factorization.

4040400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17490932.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 4040400441 is about 63564.1443032155. The cubic root of 4040400441 is about 1592.7274680970.

Adding to 4040400441 its reverse (1440040404), we get a palindrome (5480440845).

The spelling of 4040400441 in words is "four billion, forty million, four hundred thousand, four hundred forty-one".