1421400000044 has 24 divisors (see below), whose sum is σ = 2548179941328. Its totient is φ = 693349410560.

The previous prime is 1421399999969. The next prime is 1421400000073. The reversal of 1421400000044 is 4400000041241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421399999971 and 1421400000025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9642704 + ... + 9789000.

It is an arithmetic number, because the mean of its divisors is an integer number (106174164222).

Almost surely, 2^{1421400000044} is an apocalyptic number.

It is an amenable number.

1421400000044 is a deficient number, since it is larger than the sum of its proper divisors (1126779941284).

1421400000044 is a wasteful number, since it uses less digits than its factorization.

1421400000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205585 (or 205583 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 1421400000044 its reverse (4400000041241), we get a palindrome (5821400041285).

The spelling of 1421400000044 in words is "one trillion, four hundred twenty-one billion, four hundred million, forty-four", and thus it is an aban number.