1542420554422 has 8 divisors (see below), whose sum is σ = 2523960907272. Its totient is φ = 701100252000.

The previous prime is 1542420554419. The next prime is 1542420554449. The reversal of 1542420554422 is 2244550242451.

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

It is a super-2 number, since 2×1542420554422² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35055012579 + ... + 35055012622.

It is an arithmetic number, because the mean of its divisors is an integer number (315495113409).

Almost surely, 2^{1542420554422} is an apocalyptic number.

1542420554422 is a deficient number, since it is larger than the sum of its proper divisors (981540352850).

1542420554422 is a wasteful number, since it uses less digits than its factorization.

1542420554422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70110025214.

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

Adding to 1542420554422 its reverse (2244550242451), we get a palindrome (3786970796873).

The spelling of 1542420554422 in words is "one trillion, five hundred forty-two billion, four hundred twenty million, five hundred fifty-four thousand, four hundred twenty-two".