245669321040 has 160 divisors (see below), whose sum is σ = 894717484416. Its totient is φ = 54974945280.

The previous prime is 245669321033. The next prime is 245669321047. The reversal of 245669321040 is 40123966542.

It is an interprime number because it is at equal distance from previous prime (245669321033) and next prime (245669321047).

It is a junction number, because it is equal to n+sod(n) for n = 245669320983 and 245669321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245669321047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3544779 + ... + 3613418.

Almost surely, 2^245669321040 is an apocalyptic number.

245669321040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245669321040 is an abundant number, since it is smaller than the sum of its proper divisors (649048163376).

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

245669321040 is a wasteful number, since it uses less digits than its factorization.

245669321040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7158237 (or 7158231 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 245669321040 in words is "two hundred forty-five billion, six hundred sixty-nine million, three hundred twenty-one thousand, forty".