1490037242 has 4 divisors (see below), whose sum is σ = 2235055866. Its totient is φ = 745018620.

The previous prime is 1490037229. The next prime is 1490037251. The reversal of 1490037242 is 2427300941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2427300941 = 13 ⋅186715457.

It can be written as a sum of positive squares in only one way, i.e., 944394361 + 545642881 = 30731^2 + 23359^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1490037199 and 1490037208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372509309 + ... + 372509312.

Almost surely, 2^1490037242 is an apocalyptic number.

1490037242 is a deficient number, since it is larger than the sum of its proper divisors (745018624).

1490037242 is an equidigital number, since it uses as much as digits as its factorization.

1490037242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745018623.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1490037242 is about 38601.0005310743. Note that the first 3 decimals coincide. The cubic root of 1490037242 is about 1142.1742751016.

The spelling of 1490037242 in words is "one billion, four hundred ninety million, thirty-seven thousand, two hundred forty-two".