1428844313260 has 48 divisors (see below), whose sum is σ = 3693012998976. Its totient is φ = 452205672192.

The previous prime is 1428844313257. The next prime is 1428844313261. The reversal of 1428844313260 is 623134488241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428844313260.

It is not an unprimeable number, because it can be changed into a prime (1428844313261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392537827 + ... + 392541466.

It is an arithmetic number, because the mean of its divisors is an integer number (76937770812).

Almost surely, 2^{1428844313260} is an apocalyptic number.

1428844313260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428844313260 is an abundant number, since it is smaller than the sum of its proper divisors (2264168685716).

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

1428844313260 is a wasteful number, since it uses less digits than its factorization.

1428844313260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785079322 (or 785079320 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 1428844313260 in words is "one trillion, four hundred twenty-eight billion, eight hundred forty-four million, three hundred thirteen thousand, two hundred sixty".