1478940026 has 8 divisors (see below), whose sum is σ = 2219367924. Its totient is φ = 739150720.

The previous prime is 1478939989. The next prime is 1478940049. The reversal of 1478940026 is 6200498741.

It can be written as a sum of positive squares in 2 ways, for example, as 1474944025 + 3996001 = 38405^2 + 1999^2 .

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, 153815 + ... + 163146.

Almost surely, 2^1478940026 is an apocalyptic number.

1478940026 is a deficient number, since it is larger than the sum of its proper divisors (740427898).

1478940026 is a wasteful number, since it uses less digits than its factorization.

1478940026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319296.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1478940026 is about 38456.9892997359. The cubic root of 1478940026 is about 1139.3317171745.

The spelling of 1478940026 in words is "one billion, four hundred seventy-eight million, nine hundred forty thousand, twenty-six".