1653441000 has 128 divisors (see below), whose sum is σ = 5256576000. Its totient is φ = 432556800.

The previous prime is 1653440993. The next prime is 1653441011. The reversal of 1653441000 is 1443561.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 31 ways as a sum of consecutive naturals, for example, 153801 + ... + 164199.

It is an arithmetic number, because the mean of its divisors is an integer number (41067000).

Almost surely, 2^1653441000 is an apocalyptic number.

1653441000 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 1653441000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2628288000).

1653441000 is an abundant number, since it is smaller than the sum of its proper divisors (3603135000).

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

1653441000 is a wasteful number, since it uses less digits than its factorization.

1653441000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476 (or 10462 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1653441000 is about 40662.5257454576. The cubic root of 1653441000 is about 1182.4866168420.

Adding to 1653441000 its reverse (1443561), we get a palindrome (1654884561).

The spelling of 1653441000 in words is "one billion, six hundred fifty-three million, four hundred forty-one thousand".