1426881538 has 8 divisors (see below), whose sum is σ = 2141273232. Its totient is φ = 713123796.

The previous prime is 1426881517. The next prime is 1426881563. The reversal of 1426881538 is 8351886241.

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

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, 152820 + ... + 161887.

It is an arithmetic number, because the mean of its divisors is an integer number (267659154).

Almost surely, 2^1426881538 is an apocalyptic number.

1426881538 is a deficient number, since it is larger than the sum of its proper divisors (714391694).

1426881538 is a wasteful number, since it uses less digits than its factorization.

1426881538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316976.

The product of its digits is 368640, while the sum is 46.

The square root of 1426881538 is about 37774.0855349272. The cubic root of 1426881538 is about 1125.8036168970.

The spelling of 1426881538 in words is "one billion, four hundred twenty-six million, eight hundred eighty-one thousand, five hundred thirty-eight".