1400321142402 has 384 divisors, whose sum is σ = 3934954598400. Its totient is φ = 327229507584.

The previous prime is 1400321142379. The next prime is 1400321142403. The reversal of 1400321142402 is 2042411230041.

It is not an unprimeable number, because it can be changed into a prime (1400321142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 201220999 + ... + 201227957.

It is an arithmetic number, because the mean of its divisors is an integer number (10247277600).

Almost surely, 2^{1400321142402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400321142402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967477299200).

1400321142402 is an abundant number, since it is smaller than the sum of its proper divisors (2534633455998).

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

1400321142402 is a wasteful number, since it uses less digits than its factorization.

1400321142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7183 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1400321142402 its reverse (2042411230041), we get a palindrome (3442732372443).

The spelling of 1400321142402 in words is "one trillion, four hundred billion, three hundred twenty-one million, one hundred forty-two thousand, four hundred two".