1534450780 has 48 divisors (see below), whose sum is σ = 3271605120. Its totient is φ = 604454400.

The previous prime is 1534450769. The next prime is 1534450781. The reversal of 1534450780 is 870544351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534450781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480790 + ... + 483970.

It is an arithmetic number, because the mean of its divisors is an integer number (68158440).

Almost surely, 2^1534450780 is an apocalyptic number.

1534450780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1534450780 is an abundant number, since it is smaller than the sum of its proper divisors (1737154340).

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

1534450780 is a wasteful number, since it uses less digits than its factorization.

1534450780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3548 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 1534450780 is about 39172.0663228275. The cubic root of 1534450780 is about 1153.4116157081.

The spelling of 1534450780 in words is "one billion, five hundred thirty-four million, four hundred fifty thousand, seven hundred eighty".