245826736554240 has 108 divisors (see below), whose sum is σ = 850534901565804. Its totient is φ = 65553796411392.

The previous prime is 245826736554221. The next prime is 245826736554263. The reversal of 245826736554240 is 42455637628542.

It is a happy number.

245826736554240 is a `hidden beast` number, since 2 + 4 + 5 + 8 + 2 + 6 + 7 + 36 + 554 + 2 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 122204004286464 + 123622732267776 = 11054592^2 + 11118576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10669551699 + ... + 10669574738.

Almost surely, 2^{245826736554240} is an apocalyptic number.

245826736554240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245826736554240 is an abundant number, since it is smaller than the sum of its proper divisors (604708165011564).

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

245826736554240 is a wasteful number, since it uses less digits than its factorization.

245826736554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21339126464 (or 21339126447 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 63.

The spelling of 245826736554240 in words is "two hundred forty-five trillion, eight hundred twenty-six billion, seven hundred thirty-six million, five hundred fifty-four thousand, two hundred forty".