542350255115440 has 80 divisors (see below), whose sum is σ = 1295072555239008. Its totient is φ = 211072276942848.

The previous prime is 542350255115423. The next prime is 542350255115441. The reversal of 542350255115440 is 44511552053245.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (542350255115441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136099144 + ... + 140027416.

Almost surely, 2^{542350255115440} is an apocalyptic number.

It is an amenable number.

542350255115440 is an abundant number, since it is smaller than the sum of its proper divisors (752722300123568).

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

542350255115440 is a wasteful number, since it uses less digits than its factorization.

542350255115440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974966 (or 3974960 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 542350255115440 in words is "five hundred forty-two trillion, three hundred fifty billion, two hundred fifty-five million, one hundred fifteen thousand, four hundred forty".