245226565040 has 20 divisors (see below), whose sum is σ = 570151763904. Its totient is φ = 98090625984.

The previous prime is 245226565019. The next prime is 245226565063. The reversal of 245226565040 is 40565622542.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532665952 + ... + 1532666111.

Almost surely, 2^245226565040 is an apocalyptic number.

245226565040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245226565040 is an abundant number, since it is smaller than the sum of its proper divisors (324925198864).

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

245226565040 is a wasteful number, since it uses less digits than its factorization.

245226565040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065332076 (or 3065332070 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 245226565040 in words is "two hundred forty-five billion, two hundred twenty-six million, five hundred sixty-five thousand, forty".