1553050240 has 128 divisors (see below), whose sum is σ = 4313473920. Its totient is φ = 523653120.

The previous prime is 1553050231. The next prime is 1553050241. The reversal of 1553050240 is 420503551.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1553050241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270439 + ... + 276121.

It is an arithmetic number, because the mean of its divisors is an integer number (33699015).

Almost surely, 2^1553050240 is an apocalyptic number.

1553050240 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 1553050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156736960).

1553050240 is an abundant number, since it is smaller than the sum of its proper divisors (2760423680).

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

1553050240 is an equidigital number, since it uses as much as digits as its factorization.

1553050240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770 (or 5758 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1553050240 is about 39408.7584173874. The cubic root of 1553050240 is about 1158.0531752224.

Adding to 1553050240 its reverse (420503551), we get a palindrome (1973553791).

The spelling of 1553050240 in words is "one billion, five hundred fifty-three million, fifty thousand, two hundred forty".