40490635 has 8 divisors (see below), whose sum is σ = 48802320. Its totient is φ = 32250144.

The previous prime is 40490629. The next prime is 40490669. The reversal of 40490635 is 53609404.

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 40490635 - 2¹⁵ = 40457867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40490597 and 40490606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16537 + ... + 18826.

It is an arithmetic number, because the mean of its divisors is an integer number (6100290).

Almost surely, 2^40490635 is an apocalyptic number.

40490635 is a deficient number, since it is larger than the sum of its proper divisors (8311685).

40490635 is a wasteful number, since it uses less digits than its factorization.

40490635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35597.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 40490635 is about 6363.2252042498. The cubic root of 40490635 is about 343.3878009752.

The spelling of 40490635 in words is "forty million, four hundred ninety thousand, six hundred thirty-five".