1421324442402 has 64 divisors (see below), whose sum is σ = 2886191616000. Its totient is φ = 466551042048.

The previous prime is 1421324442353. The next prime is 1421324442409. The reversal of 1421324442402 is 2042444231241.

It is not an unprimeable number, because it can be changed into a prime (1421324442409) 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, 334978893 + ... + 334983135.

It is an arithmetic number, because the mean of its divisors is an integer number (45096744000).

Almost surely, 2^{1421324442402} is an apocalyptic number.

1421324442402 is an abundant number, since it is smaller than the sum of its proper divisors (1464867173598).

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

1421324442402 is a wasteful number, since it uses less digits than its factorization.

1421324442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6015.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 1421324442402 its reverse (2042444231241), we get a palindrome (3463768673643).

The spelling of 1421324442402 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-four million, four hundred forty-two thousand, four hundred two".