4010012520 has 32 divisors (see below), whose sum is σ = 12030037920. Its totient is φ = 1069336640.

The previous prime is 4010012507. The next prime is 4010012527. The reversal of 4010012520 is 252100104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4010012520.

It is not an unprimeable number, because it can be changed into a prime (4010012527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16708266 + ... + 16708505.

It is an arithmetic number, because the mean of its divisors is an integer number (375938685).

Almost surely, 2^4010012520 is an apocalyptic number.

4010012520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4010012520 is an abundant number, since it is smaller than the sum of its proper divisors (8020025400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4010012520 is a wasteful number, since it uses less digits than its factorization.

4010012520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416785 (or 33416781 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4010012520 is about 63324.6596516712. The cubic root of 4010012520 is about 1588.7244387770.

Adding to 4010012520 its reverse (252100104), we get a palindrome (4262112624).

The spelling of 4010012520 in words is "four billion, ten million, twelve thousand, five hundred twenty".