40491435 has 8 divisors (see below), whose sum is σ = 64786320. Its totient is φ = 21595424.

The previous prime is 40491397. The next prime is 40491443. The reversal of 40491435 is 53419404.

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 40491435 - 2⁸ = 40491179 is a prime.

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, 1349700 + ... + 1349729.

It is an arithmetic number, because the mean of its divisors is an integer number (8098290).

Almost surely, 2^40491435 is an apocalyptic number.

40491435 is a deficient number, since it is larger than the sum of its proper divisors (24294885).

40491435 is a wasteful number, since it uses less digits than its factorization.

40491435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699437.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40491435 is about 6363.2880651437. The cubic root of 40491435 is about 343.3900624729.

The spelling of 40491435 in words is "forty million, four hundred ninety-one thousand, four hundred thirty-five".