1421444453052 has 24 divisors (see below), whose sum is σ = 3571834779856. Its totient is φ = 437367523968.

The previous prime is 1421444453041. The next prime is 1421444453113. The reversal of 1421444453052 is 2503544441241.

It is a super-2 number, since 2×1421444453052² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1421444453052.

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, 4555911553 + ... + 4555911864.

Almost surely, 2^{1421444453052} is an apocalyptic number.

1421444453052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421444453052 is an abundant number, since it is smaller than the sum of its proper divisors (2150390326804).

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

1421444453052 is a wasteful number, since it uses less digits than its factorization.

1421444453052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111823437 (or 9111823435 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 1421444453052 its reverse (2503544441241), we get a palindrome (3924988894293).

The spelling of 1421444453052 in words is "one trillion, four hundred twenty-one billion, four hundred forty-four million, four hundred fifty-three thousand, fifty-two".