4040134242420 has 48 divisors (see below), whose sum is σ = 11804218312320. Its totient is φ = 1030526994816.

The previous prime is 4040134242377. The next prime is 4040134242449. The reversal of 4040134242420 is 242424310404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1463815375 + ... + 1463818134.

It is an arithmetic number, because the mean of its divisors is an integer number (245921214840).

Almost surely, 2^{4040134242420} is an apocalyptic number.

It is an amenable number.

4040134242420 is an abundant number, since it is smaller than the sum of its proper divisors (7764084069900).

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

4040134242420 is a wasteful number, since it uses less digits than its factorization.

4040134242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927633544 (or 2927633542 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4040134242420 its reverse (242424310404), we get a palindrome (4282558552824).

The spelling of 4040134242420 in words is "four trillion, forty billion, one hundred thirty-four million, two hundred forty-two thousand, four hundred twenty".