245054883840 has 384 divisors, whose sum is σ = 854578408320. Its totient is φ = 59586379776.

The previous prime is 245054883817. The next prime is 245054883847. The reversal of 245054883840 is 48388450542.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (245054883847) by changing a digit.

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, 33143184 + ... + 33150576.

It is an arithmetic number, because the mean of its divisors is an integer number (2225464605).

Almost surely, 2^245054883840 is an apocalyptic number.

245054883840 is a gapful number since it is divisible by the number (20) 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 245054883840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427289204160).

245054883840 is an abundant number, since it is smaller than the sum of its proper divisors (609523524480).

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

245054883840 is a wasteful number, since it uses less digits than its factorization.

245054883840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519 (or 7499 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 51.

The spelling of 245054883840 in words is "two hundred forty-five billion, fifty-four million, eight hundred eighty-three thousand, eight hundred forty".