542240255345 has 8 divisors (see below), whose sum is σ = 659852930880. Its totient is φ = 427682454640.

The previous prime is 542240255327. The next prime is 542240255351. The reversal of 542240255345 is 543552042245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542240255345 - 2²⁴ = 542223478129 is a prime.

It is a super-2 number, since 2×542240255345² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763718315 + ... + 763719024.

It is an arithmetic number, because the mean of its divisors is an integer number (82481616360).

Almost surely, 2^542240255345 is an apocalyptic number.

It is an amenable number.

542240255345 is a deficient number, since it is larger than the sum of its proper divisors (117612675535).

542240255345 is a wasteful number, since it uses less digits than its factorization.

542240255345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527437415.

The product of its (nonzero) digits is 960000, while the sum is 41.

The spelling of 542240255345 in words is "five hundred forty-two billion, two hundred forty million, two hundred fifty-five thousand, three hundred forty-five".