1382599680 has 528 divisors, whose sum is σ = 5645396736. Its totient is φ = 285573120.

The previous prime is 1382599661. The next prime is 1382599723. The reversal of 1382599680 is 869952831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (528).

It is a super-2 number, since 2×1382599680² = 3823163750272204800, 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 47 ways as a sum of consecutive naturals, for example, 8278957 + ... + 8279123.

Almost surely, 2^1382599680 is an apocalyptic number.

1382599680 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 1382599680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822698368).

1382599680 is an abundant number, since it is smaller than the sum of its proper divisors (4262797056).

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

1382599680 is a wasteful number, since it uses less digits than its factorization.

1382599680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 1382599680 is about 37183.3252950835. The cubic root of 1382599680 is about 1114.0349536224.

The spelling of 1382599680 in words is "one billion, three hundred eighty-two million, five hundred ninety-nine thousand, six hundred eighty".