4000401100 has 18 divisors (see below), whose sum is σ = 8680870604. Its totient is φ = 1600160400.

The previous prime is 4000401079. The next prime is 4000401101. The reversal of 4000401100 is 11040004.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (4000401101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20001906 + ... + 20002105.

Almost surely, 2^4000401100 is an apocalyptic number.

It is an amenable number.

4000401100 is an abundant number, since it is smaller than the sum of its proper divisors (4680469504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000401100 is a wasteful number, since it uses less digits than its factorization.

4000401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004025 (or 40004018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4000401100 is about 63248.7240978030. The cubic root of 4000401100 is about 1587.4541090750.

Adding to 4000401100 its reverse (11040004), we get a palindrome (4011441104).

The spelling of 4000401100 in words is "four billion, four hundred one thousand, one hundred".