1428243932152 has 8 divisors (see below), whose sum is σ = 2677957372800. Its totient is φ = 714121966072.

The previous prime is 1428243932123. The next prime is 1428243932161. The reversal of 1428243932152 is 2512393428241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1428243932152² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89265245752 + ... + 89265245767.

It is an arithmetic number, because the mean of its divisors is an integer number (334744671600).

Almost surely, 2^{1428243932152} is an apocalyptic number.

It is an amenable number.

1428243932152 is a deficient number, since it is larger than the sum of its proper divisors (1249713440648).

1428243932152 is a wasteful number, since it uses less digits than its factorization.

1428243932152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178530491525 (or 178530491521 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The spelling of 1428243932152 in words is "one trillion, four hundred twenty-eight billion, two hundred forty-three million, nine hundred thirty-two thousand, one hundred fifty-two".