1650001140 has 144 divisors (see below), whose sum is σ = 5270323968. Its totient is φ = 417027072.

The previous prime is 1650001127. The next prime is 1650001159. The reversal of 1650001140 is 411000561.

1650001140 is a `hidden beast` number, since 1 + 650 + 0 + 0 + 1 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 466057 + ... + 469583.

It is an arithmetic number, because the mean of its divisors is an integer number (36599472).

Almost surely, 2^1650001140 is an apocalyptic number.

1650001140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650001140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635161984).

1650001140 is an abundant number, since it is smaller than the sum of its proper divisors (3620322828).

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

1650001140 is a wasteful number, since it uses less digits than its factorization.

1650001140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678 (or 3673 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1650001140 is about 40620.2060556073. The cubic root of 1650001140 is about 1181.6660226086. Note that the first 3 decimals are identical.

The spelling of 1650001140 in words is "one billion, six hundred fifty million, one thousand, one hundred forty".