42403419 has 20 divisors (see below), whose sum is σ = 63565656. Its totient is φ = 28169856.

The previous prime is 42403409. The next prime is 42403433. The reversal of 42403419 is 91430424.

42403419 is a `hidden beast` number, since 4 + 240 + 3 + 419 = 666.

It is not a de Polignac number, because 42403419 - 2⁹ = 42402907 is a prime.

It is a super-3 number, since 3×42403419³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 42403392 and 42403401.

It is not an unprimeable number, because it can be changed into a prime (42403409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27852 + ... + 29334.

Almost surely, 2^42403419 is an apocalyptic number.

42403419 is a deficient number, since it is larger than the sum of its proper divisors (21162237).

42403419 is a wasteful number, since it uses less digits than its factorization.

42403419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 42403419 is about 6511.7907675232. The cubic root of 42403419 is about 348.7120527563.

The spelling of 42403419 in words is "forty-two million, four hundred three thousand, four hundred nineteen".