1450929820 has 24 divisors (see below), whose sum is σ = 3052388304. Its totient is φ = 579336576.

The previous prime is 1450929817. The next prime is 1450929833. The reversal of 1450929820 is 289290541.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53169 + ... + 75688.

It is an arithmetic number, because the mean of its divisors is an integer number (127182846).

Almost surely, 2^1450929820 is an apocalyptic number.

1450929820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450929820 is an abundant number, since it is smaller than the sum of its proper divisors (1601458484).

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

1450929820 is a wasteful number, since it uses less digits than its factorization.

1450929820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129429 (or 129427 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1450929820 is about 38091.0727073943. The cubic root of 1450929820 is about 1132.0930794119.

The spelling of 1450929820 in words is "one billion, four hundred fifty million, nine hundred twenty-nine thousand, eight hundred twenty".