1380450960 has 120 divisors (see below), whose sum is σ = 5298321600. Its totient is φ = 315530496.

The previous prime is 1380450943. The next prime is 1380450979. The reversal of 1380450960 is 690540831.

1380450960 is a `hidden beast` number, since 13 + 80 + 4 + 509 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 131910 + ... + 141989.

It is an arithmetic number, because the mean of its divisors is an integer number (44152680).

Almost surely, 2^1380450960 is an apocalyptic number.

1380450960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380450960 is an abundant number, since it is smaller than the sum of its proper divisors (3917870640).

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

1380450960 is a wasteful number, since it uses less digits than its factorization.

1380450960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273925 (or 273916 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1380450960 is about 37154.4204637887. The cubic root of 1380450960 is about 1113.4575412915.

The spelling of 1380450960 in words is "one billion, three hundred eighty million, four hundred fifty thousand, nine hundred sixty".