1398295260 has 144 divisors (see below), whose sum is σ = 4340044800. Its totient is φ = 364321152.

The previous prime is 1398295259. The next prime is 1398295279. The reversal of 1398295260 is 625928931.

1398295260 is a `hidden beast` number, since 13 + 98 + 29 + 526 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1521081 + ... + 1521999.

It is an arithmetic number, because the mean of its divisors is an integer number (30139200).

Almost surely, 2^1398295260 is an apocalyptic number.

1398295260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398295260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170022400).

1398295260 is an abundant number, since it is smaller than the sum of its proper divisors (2941749540).

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

1398295260 is a wasteful number, since it uses less digits than its factorization.

1398295260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1398295260 is about 37393.7863822320. The cubic root of 1398295260 is about 1118.2346924685.

The spelling of 1398295260 in words is "one billion, three hundred ninety-eight million, two hundred ninety-five thousand, two hundred sixty".