245615441064 has 128 divisors (see below), whose sum is σ = 733566566400. Its totient is φ = 67052344320.

The previous prime is 245615441021. The next prime is 245615441107. The reversal of 245615441064 is 460144516542.

It is a happy number.

245615441064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245615441021) and next prime (245615441107).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112944 + ... + 709920.

It is an arithmetic number, because the mean of its divisors is an integer number (5730988800).

Almost surely, 2^245615441064 is an apocalyptic number.

245615441064 is a gapful number since it is divisible by the number (24) 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 245615441064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366783283200).

245615441064 is an abundant number, since it is smaller than the sum of its proper divisors (487951125336).

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

245615441064 is a wasteful number, since it uses less digits than its factorization.

245615441064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597103 (or 597099 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 245615441064 in words is "two hundred forty-five billion, six hundred fifteen million, four hundred forty-one thousand, sixty-four".