1443260421252 has 60 divisors (see below), whose sum is σ = 4063196136076. Its totient is φ = 444080128320.

The previous prime is 1443260421247. The next prime is 1443260421271. The reversal of 1443260421252 is 2521240623441.

1443260421252 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 2 + 604 + 21 + 25 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 369537546816 + 1073722874436 = 607896^2 + 1036206^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 171322999 + ... + 171331422.

Almost surely, 2^{1443260421252} is an apocalyptic number.

1443260421252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1443260421252 is an abundant number, since it is smaller than the sum of its proper divisors (2619935714824).

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

1443260421252 is a wasteful number, since it uses less digits than its factorization.

1443260421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342654450 (or 342654439 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 1443260421252 in words is "one trillion, four hundred forty-three billion, two hundred sixty million, four hundred twenty-one thousand, two hundred fifty-two".