245220449044 has 6 divisors (see below), whose sum is σ = 429135785834. Its totient is φ = 122610224520.

The previous prime is 245220448951. The next prime is 245220449051. The reversal of 245220449044 is 440944022542.

It can be written as a sum of positive squares in only one way, i.e., 128931264900 + 116289184144 = 359070^2 + 341012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245220448988 and 245220449006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30652556127 + ... + 30652556134.

Almost surely, 2^245220449044 is an apocalyptic number.

It is an amenable number.

245220449044 is a deficient number, since it is larger than the sum of its proper divisors (183915336790).

245220449044 is a wasteful number, since it uses less digits than its factorization.

245220449044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61305112265 (or 61305112263 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 245220449044 in words is "two hundred forty-five billion, two hundred twenty million, four hundred forty-nine thousand, forty-four".