542104310421 has 32 divisors (see below), whose sum is σ = 843585699840. Its totient is φ = 343400310000.

The previous prime is 542104310411. The next prime is 542104310471. The reversal of 542104310421 is 124013401245.

542104310421 is a `hidden beast` number, since 542 + 10 + 4 + 3 + 104 + 2 + 1 = 666.

It is not a de Polignac number, because 542104310421 - 2⁶ = 542104310357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542104310411) 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, 2796805 + ... + 2984346.

It is an arithmetic number, because the mean of its divisors is an integer number (26362053120).

Almost surely, 2^542104310421 is an apocalyptic number.

It is an amenable number.

542104310421 is a deficient number, since it is larger than the sum of its proper divisors (301481389419).

542104310421 is a wasteful number, since it uses less digits than its factorization.

542104310421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781334 (or 5781328 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 542104310421 its reverse (124013401245), we get a palindrome (666117711666).

The spelling of 542104310421 in words is "five hundred forty-two billion, one hundred four million, three hundred ten thousand, four hundred twenty-one".