249026226538 has 8 divisors (see below), whose sum is σ = 393199305120. Its totient is φ = 117959791500.

The previous prime is 249026226509. The next prime is 249026226539. The reversal of 249026226538 is 835622620942.

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 = 249026226491 and 249026226500.

It is not an unprimeable number, because it can be changed into a prime (249026226539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3276660838 + ... + 3276660913.

It is an arithmetic number, because the mean of its divisors is an integer number (49149913140).

Almost surely, 2^249026226538 is an apocalyptic number.

249026226538 is a deficient number, since it is larger than the sum of its proper divisors (144173078582).

249026226538 is a wasteful number, since it uses less digits than its factorization.

249026226538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553321772.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 249026226538 in words is "two hundred forty-nine billion, twenty-six million, two hundred twenty-six thousand, five hundred thirty-eight".