1504142055440 has 40 divisors (see below), whose sum is σ = 3498991794240. Its totient is φ = 601336561536.

The previous prime is 1504142055439. The next prime is 1504142055457. The reversal of 1504142055440 is 445502414051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1504142055440.

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 7 ways as a sum of consecutive naturals, for example, 4852814 + ... + 5153453.

It is an arithmetic number, because the mean of its divisors is an integer number (87474794856).

Almost surely, 2^{1504142055440} is an apocalyptic number.

1504142055440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1504142055440 is an abundant number, since it is smaller than the sum of its proper divisors (1994849738800).

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

1504142055440 is a wasteful number, since it uses less digits than its factorization.

1504142055440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008159 (or 10008153 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 1504142055440 its reverse (445502414051), we get a palindrome (1949644469491).

The spelling of 1504142055440 in words is "one trillion, five hundred four billion, one hundred forty-two million, fifty-five thousand, four hundred forty".