4001401011 has 8 divisors (see below), whose sum is σ = 5567166720. Its totient is φ = 2551617992.

The previous prime is 4001400979. The next prime is 4001401037. The reversal of 4001401011 is 1101041004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001401011 - 2⁵ = 4001400979 is a prime.

It is a super-2 number, since 2×4001401011² = 32022420101663644242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001401091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28995591 + ... + 28995728.

It is an arithmetic number, because the mean of its divisors is an integer number (695895840).

Almost surely, 2^4001401011 is an apocalyptic number.

4001401011 is a deficient number, since it is larger than the sum of its proper divisors (1565765709).

4001401011 is a wasteful number, since it uses less digits than its factorization.

4001401011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57991345.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 4001401011 is about 63256.6281981580. The cubic root of 4001401011 is about 1587.5863608628.

Adding to 4001401011 its reverse (1101041004), we get a palindrome (5102442015).

The spelling of 4001401011 in words is "four billion, one million, four hundred one thousand, eleven".