1382969280 has 448 divisors, whose sum is σ = 5593494528. Its totient is φ = 281149440.

The previous prime is 1382969267. The next prime is 1382969293. The reversal of 1382969280 is 829692831.

1382969280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1382969267) and next prime (1382969293).

It is a tau number, because it is divible by the number of its divisors (448).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3917584 + ... + 3917936.

Almost surely, 2^1382969280 is an apocalyptic number.

1382969280 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 1382969280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2796747264).

1382969280 is an abundant number, since it is smaller than the sum of its proper divisors (4210525248).

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

1382969280 is a wasteful number, since it uses less digits than its factorization.

1382969280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 1382969280 is about 37188.2949326801. The cubic root of 1382969280 is about 1114.1342136470.

The spelling of 1382969280 in words is "one billion, three hundred eighty-two million, nine hundred sixty-nine thousand, two hundred eighty".