1350450780 has 72 divisors (see below), whose sum is σ = 4398620688. Its totient is φ = 308673792.

The previous prime is 1350450779. The next prime is 1350450797. The reversal of 1350450780 is 870540531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226729 + ... + 232608.

It is an arithmetic number, because the mean of its divisors is an integer number (61091954).

Almost surely, 2^1350450780 is an apocalyptic number.

1350450780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350450780 is an abundant number, since it is smaller than the sum of its proper divisors (3048169908).

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

1350450780 is a wasteful number, since it uses less digits than its factorization.

1350450780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459363 (or 459354 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1350450780 is about 36748.4799685647. The cubic root of 1350450780 is about 1105.3324498079.

The spelling of 1350450780 in words is "one billion, three hundred fifty million, four hundred fifty thousand, seven hundred eighty".