1404090190 has 16 divisors (see below), whose sum is σ = 2565085392. Its totient is φ = 553253184.

The previous prime is 1404090179. The next prime is 1404090199. The reversal of 1404090190 is 910904041.

It is a super-2 number, since 2×1404090190² = 3942938523308472200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404090199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1047159 + ... + 1048498.

It is an arithmetic number, because the mean of its divisors is an integer number (160317837).

Almost surely, 2^1404090190 is an apocalyptic number.

1404090190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1404090190 is a deficient number, since it is larger than the sum of its proper divisors (1160995202).

1404090190 is a wasteful number, since it uses less digits than its factorization.

1404090190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095731.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1404090190 is about 37471.1914675795. The cubic root of 1404090190 is about 1119.7773233965. Note that the first 3 decimals are identical.

The spelling of 1404090190 in words is "one billion, four hundred four million, ninety thousand, one hundred ninety".