4001330542 has 16 divisors (see below), whose sum is σ = 6566193072. Its totient is φ = 1813630720.

The previous prime is 4001330533. The next prime is 4001330561. The reversal of 4001330542 is 2450331004.

It is a super-2 number, since 2×4001330542² = 32021292212684027528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249853 + ... + 265384.

It is an arithmetic number, because the mean of its divisors is an integer number (410387067).

Almost surely, 2^4001330542 is an apocalyptic number.

4001330542 is a deficient number, since it is larger than the sum of its proper divisors (2564862530).

4001330542 is a wasteful number, since it uses less digits than its factorization.

4001330542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515603.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4001330542 is about 63256.0711868829. The cubic root of 4001330542 is about 1587.5770411038.

Adding to 4001330542 its reverse (2450331004), we get a palindrome (6451661546).

The spelling of 4001330542 in words is "four billion, one million, three hundred thirty thousand, five hundred forty-two".