542402356641 has 8 divisors (see below), whose sum is σ = 723437276640. Its totient is φ = 361484503872.

The previous prime is 542402356543. The next prime is 542402356667. The reversal of 542402356641 is 146653204245.

It is a happy number.

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

It is not a de Polignac number, because 542402356641 - 2¹⁵ = 542402323873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542402356593 and 542402356602.

It is not an unprimeable number, because it can be changed into a prime (542402351641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29255995 + ... + 29274528.

It is an arithmetic number, because the mean of its divisors is an integer number (90429659580).

Almost surely, 2^542402356641 is an apocalyptic number.

It is an amenable number.

542402356641 is a deficient number, since it is larger than the sum of its proper divisors (181034919999).

542402356641 is a wasteful number, since it uses less digits than its factorization.

542402356641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58533615.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 542402356641 in words is "five hundred forty-two billion, four hundred two million, three hundred fifty-six thousand, six hundred forty-one".