40007419 has 4 divisors (see below), whose sum is σ = 41746896. Its totient is φ = 38267944.

The previous prime is 40007393. The next prime is 40007467. The reversal of 40007419 is 91470004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40007419 - 2⁹ = 40006907 is a prime.

It is a super-2 number, since 2×40007419² = 3201187150083122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40007393 and 40007402.

It is not an unprimeable number, because it can be changed into a prime (40007479) 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, 869704 + ... + 869749.

It is an arithmetic number, because the mean of its divisors is an integer number (10436724).

Almost surely, 2^40007419 is an apocalyptic number.

40007419 is a deficient number, since it is larger than the sum of its proper divisors (1739477).

40007419 is a wasteful number, since it uses less digits than its factorization.

40007419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739476.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 40007419 is about 6325.1418165919. The cubic root of 40007419 is about 342.0163318808.

The spelling of 40007419 in words is "forty million, seven thousand, four hundred nineteen".