2449450155538 has 16 divisors (see below), whose sum is σ = 3710622599064. Its totient is φ = 1212576409600.

The previous prime is 2449450155491. The next prime is 2449450155547. The reversal of 2449450155538 is 8355510549442.

2449450155538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2395520776009 + 53929379529 = 1547747^2 + 232227^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17373906 + ... + 17514322.

Almost surely, 2^{2449450155538} is an apocalyptic number.

2449450155538 is a deficient number, since it is larger than the sum of its proper divisors (1261172443526).

2449450155538 is a wasteful number, since it uses less digits than its factorization.

2449450155538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226877.

The product of its (nonzero) digits is 17280000, while the sum is 55.

The spelling of 2449450155538 in words is "two trillion, four hundred forty-nine billion, four hundred fifty million, one hundred fifty-five thousand, five hundred thirty-eight".