245826240660 has 1440 divisors, whose sum is σ = 1089851922432. Its totient is φ = 45101422080.

The previous prime is 245826240659. The next prime is 245826240689. The reversal of 245826240660 is 66042628542.

245826240660 is a `hidden beast` number, since 2 + 4 + 582 + 6 + 2 + 4 + 0 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 10688097409 + ... + 10688097431.

Almost surely, 2^245826240660 is an apocalyptic number.

245826240660 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 245826240660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544925961216).

245826240660 is an abundant number, since it is smaller than the sum of its proper divisors (844025681772).

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

245826240660 is a wasteful number, since it uses less digits than its factorization.

245826240660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 245826240660 in words is "two hundred forty-five billion, eight hundred twenty-six million, two hundred forty thousand, six hundred sixty".