245405505060 has 192 divisors, whose sum is σ = 777288960000. Its totient is φ = 64260655488.

The previous prime is 245405505019. The next prime is 245405505071. The reversal of 245405505060 is 60505504542.

245405505060 is a `hidden beast` number, since 2 + 4 + 5 + 40 + 550 + 5 + 0 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32461561 + ... + 32469119.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380000).

Almost surely, 2^245405505060 is an apocalyptic number.

245405505060 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 245405505060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388644480000).

245405505060 is an abundant number, since it is smaller than the sum of its proper divisors (531883454940).

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

245405505060 is a wasteful number, since it uses less digits than its factorization.

245405505060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655 (or 8647 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 245405505060 in words is "two hundred forty-five billion, four hundred five million, five hundred five thousand, sixty".