542426005545 has 32 divisors (see below), whose sum is σ = 880436044800. Its totient is φ = 285112121280.

The previous prime is 542426005543. The next prime is 542426005553. The reversal of 542426005545 is 545500624245.

It is a happy number.

It is not a de Polignac number, because 542426005545 - 2¹ = 542426005543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542426005497 and 542426005506.

It is not an unprimeable number, because it can be changed into a prime (542426005543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2780082 + ... + 2968788.

It is an arithmetic number, because the mean of its divisors is an integer number (27513626400).

Almost surely, 2^542426005545 is an apocalyptic number.

It is an amenable number.

542426005545 is a deficient number, since it is larger than the sum of its proper divisors (338010039255).

542426005545 is a wasteful number, since it uses less digits than its factorization.

542426005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191485.

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 542426005545 in words is "five hundred forty-two billion, four hundred twenty-six million, five thousand, five hundred forty-five".