4000351401 has 16 divisors (see below), whose sum is σ = 5928635200. Its totient is φ = 2665916064.

The previous prime is 4000351393. The next prime is 4000351403. The reversal of 4000351401 is 1041530004.

It is a happy number.

It is not a de Polignac number, because 4000351401 - 2³ = 4000351393 is a prime.

It is a super-2 number, since 2×4000351401² = 32005622662965325602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000351403) 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, 51210 + ... + 103068.

It is an arithmetic number, because the mean of its divisors is an integer number (370539700).

Almost surely, 2^4000351401 is an apocalyptic number.

It is an amenable number.

4000351401 is a deficient number, since it is larger than the sum of its proper divisors (1928283799).

4000351401 is a wasteful number, since it uses less digits than its factorization.

4000351401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54725 (or 54719 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4000351401 is about 63248.3312111869. The cubic root of 4000351401 is about 1587.4475351335.

Adding to 4000351401 its reverse (1041530004), we get a palindrome (5041881405).

The spelling of 4000351401 in words is "four billion, three hundred fifty-one thousand, four hundred one".