1380449064 has 32 divisors (see below), whose sum is σ = 3452040000. Its totient is φ = 460027392.

The previous prime is 1380449023. The next prime is 1380449101. The reversal of 1380449064 is 4609440831.

It is a happy number.

1380449064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156237 + ... + 164835.

It is an arithmetic number, because the mean of its divisors is an integer number (107876250).

Almost surely, 2^1380449064 is an apocalyptic number.

It is an amenable number.

1380449064 is an abundant number, since it is smaller than the sum of its proper divisors (2071590936).

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

1380449064 is a wasteful number, since it uses less digits than its factorization.

1380449064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15297 (or 15293 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1380449064 is about 37154.3949486464. The cubic root of 1380449064 is about 1113.4570315266.

Adding to 1380449064 its reverse (4609440831), we get a palindrome (5989889895).

The spelling of 1380449064 in words is "one billion, three hundred eighty million, four hundred forty-nine thousand, sixty-four".