245844246490 has 32 divisors (see below), whose sum is σ = 457900750080. Its totient is φ = 94921479744.

The previous prime is 245844246469. The next prime is 245844246523. The reversal of 245844246490 is 94642448542.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997797 + ... + 1219543.

It is an arithmetic number, because the mean of its divisors is an integer number (14309398440).

Almost surely, 2^245844246490 is an apocalyptic number.

245844246490 is a deficient number, since it is larger than the sum of its proper divisors (212056503590).

245844246490 is a wasteful number, since it uses less digits than its factorization.

245844246490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225606.

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 245844246490 in words is "two hundred forty-five billion, eight hundred forty-four million, two hundred forty-six thousand, four hundred ninety".