245779123458 has 64 divisors (see below), whose sum is σ = 559699725312. Its totient is φ = 71222585280.

The previous prime is 245779123409. The next prime is 245779123501. The reversal of 245779123458 is 854321977542.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 245779123398 and 245779123407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6848016 + ... + 6883812.

It is an arithmetic number, because the mean of its divisors is an integer number (8745308208).

Almost surely, 2^245779123458 is an apocalyptic number.

245779123458 is an abundant number, since it is smaller than the sum of its proper divisors (313920601854).

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

245779123458 is a wasteful number, since it uses less digits than its factorization.

245779123458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40359.

The product of its digits is 16934400, while the sum is 57.

The spelling of 245779123458 in words is "two hundred forty-five billion, seven hundred seventy-nine million, one hundred twenty-three thousand, four hundred fifty-eight".