1450203780 has 48 divisors (see below), whose sum is σ = 4068792000. Its totient is φ = 385938048.

The previous prime is 1450203779. The next prime is 1450203787. The reversal of 1450203780 is 873020541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1450203787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5722 + ... + 54158.

It is an arithmetic number, because the mean of its divisors is an integer number (84766500).

Almost surely, 2^1450203780 is an apocalyptic number.

1450203780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450203780 is an abundant number, since it is smaller than the sum of its proper divisors (2618588220).

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

1450203780 is a wasteful number, since it uses less digits than its factorization.

1450203780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48948 (or 48946 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1450203780 is about 38081.5411978034. The cubic root of 1450203780 is about 1131.9042161544.

The spelling of 1450203780 in words is "one billion, four hundred fifty million, two hundred three thousand, seven hundred eighty".