1382425408 has 252 divisors, whose sum is σ = 3692530080. Its totient is φ = 501396480.

The previous prime is 1382425393. The next prime is 1382425409. The reversal of 1382425408 is 8045242831.

It is a happy number.

It is a super-2 number, since 2×1382425408² = 3822200017367932928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382425409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44594353 + ... + 44594383.

Almost surely, 2^1382425408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1382425408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846265040).

1382425408 is an abundant number, since it is smaller than the sum of its proper divisors (2310104672).

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

1382425408 is a wasteful number, since it uses less digits than its factorization.

1382425408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 1382425408 is about 37180.9818052186. The cubic root of 1382425408 is about 1113.9881448799.

The spelling of 1382425408 in words is "one billion, three hundred eighty-two million, four hundred twenty-five thousand, four hundred eight".