245567640346 has 16 divisors (see below), whose sum is σ = 420983986176. Its totient is φ = 105240552336.

The previous prime is 245567640337. The next prime is 245567640349. The reversal of 245567640346 is 643046765542.

It is a junction number, because it is equal to n+sod(n) for n = 245567640293 and 245567640302.

It is not an unprimeable number, because it can be changed into a prime (245567640349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391975 + ... + 802981.

It is an arithmetic number, because the mean of its divisors is an integer number (26311499136).

Almost surely, 2^245567640346 is an apocalyptic number.

245567640346 is a deficient number, since it is larger than the sum of its proper divisors (175416345830).

245567640346 is a wasteful number, since it uses less digits than its factorization.

245567640346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453693.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 245567640346 in words is "two hundred forty-five billion, five hundred sixty-seven million, six hundred forty thousand, three hundred forty-six".