245681787089232 has 120 divisors (see below), whose sum is σ = 741631078767488. Its totient is φ = 75474594720000.

The previous prime is 245681787089173. The next prime is 245681787089237. The reversal of 245681787089232 is 232980787186542.

245681787089232 is a `hidden beast` number, since 2 + 456 + 8 + 1 + 7 + 8 + 70 + 89 + 23 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245681787089237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102812644 + ... + 105175107.

It is a 1-persistent number, because it is pandigital, but 2⋅245681787089232 = 491363574178464 is not.

Almost surely, 2^{245681787089232} is an apocalyptic number.

It is an amenable number.

245681787089232 is an abundant number, since it is smaller than the sum of its proper divisors (495949291678256).

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

245681787089232 is a wasteful number, since it uses less digits than its factorization.

245681787089232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207988409 (or 207988400 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 245681787089232 in words is "two hundred forty-five trillion, six hundred eighty-one billion, seven hundred eighty-seven million, eighty-nine thousand, two hundred thirty-two".