542454466640325 has 24 divisors (see below), whose sum is σ = 918732638139456. Its totient is φ = 282252730608000.

The previous prime is 542454466640321. The next prime is 542454466640347. The reversal of 542454466640325 is 523046664454245.

It is a happy number.

It is not a de Polignac number, because 542454466640325 - 2² = 542454466640321 is a prime.

It is a super-2 number, since 2×542454466640325² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542454466640321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88203975241 + ... + 88203981390.

It is an arithmetic number, because the mean of its divisors is an integer number (38280526589144).

Almost surely, 2^{542454466640325} is an apocalyptic number.

It is an amenable number.

542454466640325 is a deficient number, since it is larger than the sum of its proper divisors (376278171499131).

542454466640325 is a wasteful number, since it uses less digits than its factorization.

542454466640325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176407956685 (or 176407956680 counting only the distinct ones).

The product of its (nonzero) digits is 331776000, while the sum is 60.

The spelling of 542454466640325 in words is "five hundred forty-two trillion, four hundred fifty-four billion, four hundred sixty-six million, six hundred forty thousand, three hundred twenty-five".