1390329360 has 480 divisors, whose sum is σ = 5869124352. Its totient is φ = 298598400.

The previous prime is 1390329359. The next prime is 1390329433. The reversal of 1390329360 is 639230931.

It is a happy number.

1390329360 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2313060 + ... + 2313660.

Almost surely, 2^1390329360 is an apocalyptic number.

1390329360 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 1390329360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2934562176).

1390329360 is an abundant number, since it is smaller than the sum of its proper divisors (4478794992).

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

1390329360 is a wasteful number, since it uses less digits than its factorization.

1390329360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 1390329360 is about 37287.1205646132. The cubic root of 1390329360 is about 1116.1071697289.

The spelling of 1390329360 in words is "one billion, three hundred ninety million, three hundred twenty-nine thousand, three hundred sixty".