245440443550 has 48 divisors (see below), whose sum is σ = 486044172432. Its totient is φ = 91890547200.

The previous prime is 245440443529. The next prime is 245440443581. The reversal of 245440443550 is 55344044542.

It is a super-2 number, since 2×245440443550² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643812 + ... + 951511.

It is an arithmetic number, because the mean of its divisors is an integer number (10125920259).

Almost surely, 2^245440443550 is an apocalyptic number.

245440443550 is a deficient number, since it is larger than the sum of its proper divisors (240603728882).

245440443550 is a wasteful number, since it uses less digits than its factorization.

245440443550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595533 (or 1595528 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

The spelling of 245440443550 in words is "two hundred forty-five billion, four hundred forty million, four hundred forty-three thousand, five hundred fifty".