245535511040 has 160 divisors (see below), whose sum is σ = 618112313280. Its totient is φ = 93410279424.

The previous prime is 245535511033. The next prime is 245535511049. The reversal of 245535511040 is 40115535542.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (245535511049) 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, 4949399 + ... + 4998761.

It is an arithmetic number, because the mean of its divisors is an integer number (3863201958).

Almost surely, 2^245535511040 is an apocalyptic number.

245535511040 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 245535511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309056156640).

245535511040 is an abundant number, since it is smaller than the sum of its proper divisors (372576802240).

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

245535511040 is an equidigital number, since it uses as much as digits as its factorization.

245535511040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49482 (or 49466 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 245535511040 in words is "two hundred forty-five billion, five hundred thirty-five million, five hundred eleven thousand, forty".