1421363200440 has 32 divisors (see below), whose sum is σ = 4264089601680. Its totient is φ = 379030186752.

The previous prime is 1421363200417. The next prime is 1421363200457. The reversal of 1421363200440 is 440023631241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1421363200398 and 1421363200407.

It is a congruent number.

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, 5922346549 + ... + 5922346788.

Almost surely, 2^{1421363200440} is an apocalyptic number.

1421363200440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421363200440 is an abundant number, since it is smaller than the sum of its proper divisors (2842726401240).

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

1421363200440 is a wasteful number, since it uses less digits than its factorization.

1421363200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844693351 (or 11844693347 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1421363200440 its reverse (440023631241), we get a palindrome (1861386831681).

The spelling of 1421363200440 in words is "one trillion, four hundred twenty-one billion, three hundred sixty-three million, two hundred thousand, four hundred forty".