542240445154 has 16 divisors (see below), whose sum is σ = 822491163648. Its totient is φ = 268081794432.

The previous prime is 542240445127. The next prime is 542240445157. The reversal of 542240445154 is 451544042245.

It is not an unprimeable number, because it can be changed into a prime (542240445157) 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, 1053042 + ... + 1481005.

It is an arithmetic number, because the mean of its divisors is an integer number (51405697728).

Almost surely, 2^542240445154 is an apocalyptic number.

542240445154 is a deficient number, since it is larger than the sum of its proper divisors (280250718494).

542240445154 is a wasteful number, since it uses less digits than its factorization.

542240445154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535249.

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 542240445154 its reverse (451544042245), we get a palindrome (993784487399).

The spelling of 542240445154 in words is "five hundred forty-two billion, two hundred forty million, four hundred forty-five thousand, one hundred fifty-four".