1395490026 has 16 divisors (see below), whose sum is σ = 3189691584. Its totient is φ = 398711424.

The previous prime is 1395490021. The next prime is 1395490027. The reversal of 1395490026 is 6200945931.

It is not an unprimeable number, because it can be changed into a prime (1395490021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16612935 + ... + 16613018.

It is an arithmetic number, because the mean of its divisors is an integer number (199355724).

Almost surely, 2^1395490026 is an apocalyptic number.

1395490026 is an abundant number, since it is smaller than the sum of its proper divisors (1794201558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1395490026 is a wasteful number, since it uses less digits than its factorization.

1395490026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33225965.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 1395490026 is about 37356.2581905629. The cubic root of 1395490026 is about 1117.4863979446.

The spelling of 1395490026 in words is "one billion, three hundred ninety-five million, four hundred ninety thousand, twenty-six".