1421542346016 has 48 divisors (see below), whose sum is σ = 4018590866304. Its totient is φ = 437397644544.

The previous prime is 1421542345997. The next prime is 1421542346033. The reversal of 1421542346016 is 6106432451241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569526936 + ... + 569529431.

It is an arithmetic number, because the mean of its divisors is an integer number (83720643048).

Almost surely, 2^{1421542346016} is an apocalyptic number.

1421542346016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1421542346016 is an abundant number, since it is smaller than the sum of its proper divisors (2597048520288).

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

1421542346016 is a wasteful number, since it uses less digits than its factorization.

1421542346016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139056393 (or 1139056385 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 1421542346016 its reverse (6106432451241), we get a palindrome (7527974797257).

The spelling of 1421542346016 in words is "one trillion, four hundred twenty-one billion, five hundred forty-two million, three hundred forty-six thousand, sixteen".