1382452920 has 320 divisors, whose sum is σ = 5182768800. Its totient is φ = 328458240.

The previous prime is 1382452913. The next prime is 1382452933. The reversal of 1382452920 is 292542831.

It is a happy number.

It is a super-2 number, since 2×1382452920² = 3822352152033052800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1045860 + ... + 1047180.

Almost surely, 2^1382452920 is an apocalyptic number.

1382452920 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 1382452920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591384400).

1382452920 is an abundant number, since it is smaller than the sum of its proper divisors (3800315880).

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

1382452920 is a wasteful number, since it uses less digits than its factorization.

1382452920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1382452920 is about 37181.3517774704. The cubic root of 1382452920 is about 1113.9955347515.

The spelling of 1382452920 in words is "one billion, three hundred eighty-two million, four hundred fifty-two thousand, nine hundred twenty".