40290519 has 4 divisors (see below), whose sum is σ = 53720696. Its totient is φ = 26860344.

The previous prime is 40290511. The next prime is 40290533. The reversal of 40290519 is 91509204.

It is a happy number.

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

It is not a de Polignac number, because 40290519 - 2³ = 40290511 is a prime.

It is a super-2 number, since 2×40290519² = 3246651842578722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40290511) 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, 6715084 + ... + 6715089.

It is an arithmetic number, because the mean of its divisors is an integer number (13430174).

Almost surely, 2^40290519 is an apocalyptic number.

40290519 is a deficient number, since it is larger than the sum of its proper divisors (13430177).

40290519 is a wasteful number, since it uses less digits than its factorization.

40290519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13430176.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 40290519 is about 6347.4813115125. The cubic root of 40290519 is about 342.8211603855.

The spelling of 40290519 in words is "forty million, two hundred ninety thousand, five hundred nineteen".