4001420552 has 16 divisors (see below), whose sum is σ = 7504495440. Its totient is φ = 2000221776.

The previous prime is 4001420519. The next prime is 4001420593. The reversal of 4001420552 is 2550241004.

It is a happy number.

It is a super-2 number, since 2×4001420552² = 32022732867935969408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24998 + ... + 92885.

It is an arithmetic number, because the mean of its divisors is an integer number (469030965).

Almost surely, 2^4001420552 is an apocalyptic number.

It is an amenable number.

4001420552 is a deficient number, since it is larger than the sum of its proper divisors (3503074888).

4001420552 is a wasteful number, since it uses less digits than its factorization.

4001420552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122132 (or 122128 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4001420552 is about 63256.7826560915. The cubic root of 4001420552 is about 1587.5889452055.

Adding to 4001420552 its reverse (2550241004), we get a palindrome (6551661556).

The spelling of 4001420552 in words is "four billion, one million, four hundred twenty thousand, five hundred fifty-two".