1490995426 has 8 divisors (see below), whose sum is σ = 2246092524. Its totient is φ = 742297920.

The previous prime is 1490995411. The next prime is 1490995427. The reversal of 1490995426 is 6245990941.

It can be written as a sum of positive squares in 2 ways, for example, as 1186458025 + 304537401 = 34445^2 + 17451^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1490995426.

It is not an unprimeable number, because it can be changed into a prime (1490995427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599315 + ... + 1600246.

Almost surely, 2^1490995426 is an apocalyptic number.

1490995426 is a deficient number, since it is larger than the sum of its proper divisors (755097098).

1490995426 is a wasteful number, since it uses less digits than its factorization.

1490995426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199796.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 1490995426 is about 38613.4099245327. The cubic root of 1490995426 is about 1142.4190516699.

The spelling of 1490995426 in words is "one billion, four hundred ninety million, nine hundred ninety-five thousand, four hundred twenty-six".