245670440436 has 18 divisors (see below), whose sum is σ = 621000280082. Its totient is φ = 81890146800.

The previous prime is 245670440423. The next prime is 245670440467. The reversal of 245670440436 is 634044076542.

245670440436 is a `hidden beast` number, since 2 + 4 + 567 + 0 + 4 + 40 + 43 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 245530160100 + 140280336 = 495510^2 + 11844^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 245670440391 and 245670440400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3412089415 + ... + 3412089486.

Almost surely, 2^245670440436 is an apocalyptic number.

It is an amenable number.

245670440436 is an abundant number, since it is smaller than the sum of its proper divisors (375329839646).

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

245670440436 is a wasteful number, since it uses less digits than its factorization.

245670440436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824178911 (or 6824178906 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 245670440436 in words is "two hundred forty-five billion, six hundred seventy million, four hundred forty thousand, four hundred thirty-six".