40490519 has 8 divisors (see below), whose sum is σ = 41738400. Its totient is φ = 39261600.

The previous prime is 40490503. The next prime is 40490531. The reversal of 40490519 is 91509404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40490519 - 2⁴ = 40490503 is a prime.

It is a super-2 number, since 2×40490519² = 3278964257778722, 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 (40490819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (5217300).

Almost surely, 2^40490519 is an apocalyptic number.

40490519 is a deficient number, since it is larger than the sum of its proper divisors (1247881).

40490519 is an equidigital number, since it uses as much as digits as its factorization.

40490519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9481.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40490519 is about 6363.2160893686. The cubic root of 40490519 is about 343.3874730555.

The spelling of 40490519 in words is "forty million, four hundred ninety thousand, five hundred nineteen".