4000402552 has 8 divisors (see below), whose sum is σ = 7500754800. Its totient is φ = 2000201272.

The previous prime is 4000402541. The next prime is 4000402619. The reversal of 4000402552 is 2552040004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4000402552² = 32006441156096225408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250025152 + ... + 250025167.

It is an arithmetic number, because the mean of its divisors is an integer number (937594350).

Almost surely, 2^4000402552 is an apocalyptic number.

It is an amenable number.

4000402552 is a deficient number, since it is larger than the sum of its proper divisors (3500352248).

4000402552 is a wasteful number, since it uses less digits than its factorization.

4000402552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500050325 (or 500050321 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4000402552 is about 63248.7355762943. The cubic root of 4000402552 is about 1587.4543011376.

Adding to 4000402552 its reverse (2552040004), we get a palindrome (6552442556).

The spelling of 4000402552 in words is "four billion, four hundred two thousand, five hundred fifty-two".