542001231225440 has 96 divisors (see below), whose sum is σ = 1464037113591360. Its totient is φ = 185748512385024.

The previous prime is 542001231225401. The next prime is 542001231225539. The reversal of 542001231225440 is 44522132100245.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 542001231225440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102205967 + ... + 107378126.

It is an arithmetic number, because the mean of its divisors is an integer number (15250386599910).

Almost surely, 2^{542001231225440} is an apocalyptic number.

It is an amenable number.

542001231225440 is an abundant number, since it is smaller than the sum of its proper divisors (922035882365920).

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

542001231225440 is a wasteful number, since it uses less digits than its factorization.

542001231225440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209586424 (or 209586416 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 542001231225440 its reverse (44522132100245), we get a palindrome (586523363325685).

The spelling of 542001231225440 in words is "five hundred forty-two trillion, one billion, two hundred thirty-one million, two hundred twenty-five thousand, four hundred forty".