2015144448338 has 8 divisors (see below), whose sum is σ = 3454533340032. Its totient is φ = 863633334996.

The previous prime is 2015144448323. The next prime is 2015144448341. The reversal of 2015144448338 is 8338444415102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2015144448292 and 2015144448301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71969444570 + ... + 71969444597.

It is an arithmetic number, because the mean of its divisors is an integer number (431816667504).

Almost surely, 2^{2015144448338} is an apocalyptic number.

2015144448338 is a deficient number, since it is larger than the sum of its proper divisors (1439388891694).

2015144448338 is a wasteful number, since it uses less digits than its factorization.

2015144448338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143938889176.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 2015144448338 in words is "two trillion, fifteen billion, one hundred forty-four million, four hundred forty-eight thousand, three hundred thirty-eight".