4004042534 has 16 divisors (see below), whose sum is σ = 6155696736. Its totient is φ = 1952193600.

The previous prime is 4004042503. The next prime is 4004042551. The reversal of 4004042534 is 4352404004.

It is a super-2 number, since 2×4004042534² = 32064713228162282312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164159 + ... + 186965.

It is an arithmetic number, because the mean of its divisors is an integer number (384731046).

Almost surely, 2^4004042534 is an apocalyptic number.

4004042534 is a deficient number, since it is larger than the sum of its proper divisors (2151654202).

4004042534 is a wasteful number, since it uses less digits than its factorization.

4004042534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24991.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 4004042534 is about 63277.5041701235. The cubic root of 4004042534 is about 1587.9356321474.

Adding to 4004042534 its reverse (4352404004), we get a palindrome (8356446538).

The spelling of 4004042534 in words is "four billion, four million, forty-two thousand, five hundred thirty-four".