1542221024344 has 128 divisors (see below), whose sum is σ = 3961750464000. Its totient is φ = 554644782720.

The previous prime is 1542221024341. The next prime is 1542221024347. The reversal of 1542221024344 is 4434201222451.

It is an interprime number because it is at equal distance from previous prime (1542221024341) and next prime (1542221024347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542221024341) 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, 1572762 + ... + 2357545.

It is an arithmetic number, because the mean of its divisors is an integer number (30951175500).

Almost surely, 2^{1542221024344} is an apocalyptic number.

1542221024344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1542221024344 is an abundant number, since it is smaller than the sum of its proper divisors (2419529439656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542221024344 is a wasteful number, since it uses less digits than its factorization.

1542221024344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930358 (or 3930340 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 1542221024344 its reverse (4434201222451), we get a palindrome (5976422246795).

The spelling of 1542221024344 in words is "one trillion, five hundred forty-two billion, two hundred twenty-one million, twenty-four thousand, three hundred forty-four".