4001512132240 has 80 divisors (see below), whose sum is σ = 10879858965888. Its totient is φ = 1340041264128.

The previous prime is 4001512132237. The next prime is 4001512132249. The reversal of 4001512132240 is 422312151004.

4001512132240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4001512132240² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4001512132249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83063797 + ... + 83111956.

Almost surely, 2^{4001512132240} is an apocalyptic number.

4001512132240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001512132240 is an abundant number, since it is smaller than the sum of its proper divisors (6878346833648).

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

4001512132240 is a wasteful number, since it uses less digits than its factorization.

4001512132240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166175816 (or 166175810 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 4001512132240 its reverse (422312151004), we get a palindrome (4423824283244).

The spelling of 4001512132240 in words is "four trillion, one billion, five hundred twelve million, one hundred thirty-two thousand, two hundred forty".