1428852432420 has 96 divisors (see below), whose sum is σ = 5080364217600. Its totient is φ = 326594840832.

The previous prime is 1428852432367. The next prime is 1428852432467. The reversal of 1428852432420 is 242342588241.

1428852432420 is a `hidden beast` number, since 1 + 4 + 2 + 88 + 524 + 3 + 2 + 42 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188997865 + ... + 189005424.

It is an arithmetic number, because the mean of its divisors is an integer number (52920460600).

Almost surely, 2^{1428852432420} is an apocalyptic number.

1428852432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428852432420 is an abundant number, since it is smaller than the sum of its proper divisors (3651511785180).

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

1428852432420 is a wasteful number, since it uses less digits than its factorization.

1428852432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378003314 (or 378003306 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 45.

The spelling of 1428852432420 in words is "one trillion, four hundred twenty-eight billion, eight hundred fifty-two million, four hundred thirty-two thousand, four hundred twenty".