1650225276 has 144 divisors (see below), whose sum is σ = 4953172224. Its totient is φ = 453454848.

The previous prime is 1650225223. The next prime is 1650225281. The reversal of 1650225276 is 6725220561.

1650225276 is a `hidden beast` number, since 165 + 0 + 225 + 276 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1650225276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 724876 + ... + 727148.

Almost surely, 2^1650225276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650225276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476586112).

1650225276 is an abundant number, since it is smaller than the sum of its proper divisors (3302946948).

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

1650225276 is a wasteful number, since it uses less digits than its factorization.

1650225276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1650225276 is about 40622.9648844099. The cubic root of 1650225276 is about 1181.7195259866.

The spelling of 1650225276 in words is "one billion, six hundred fifty million, two hundred twenty-five thousand, two hundred seventy-six".