1382404380 has 96 divisors (see below), whose sum is σ = 4531645440. Its totient is φ = 308267520.

The previous prime is 1382404321. The next prime is 1382404399. The reversal of 1382404380 is 834042831.

It is a super-2 number, since 2×1382404380² = 3822083739686368800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22920 + ... + 57359.

It is an arithmetic number, because the mean of its divisors is an integer number (47204640).

Almost surely, 2^1382404380 is an apocalyptic number.

1382404380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1382404380 is an abundant number, since it is smaller than the sum of its proper divisors (3149241060).

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

1382404380 is a wasteful number, since it uses less digits than its factorization.

1382404380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80339 (or 80337 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1382404380 is about 37180.6990251663. The cubic root of 1382404380 is about 1113.9824965797.

The spelling of 1382404380 in words is "one billion, three hundred eighty-two million, four hundred four thousand, three hundred eighty".