40045535 has 8 divisors (see below), whose sum is σ = 48195216. Its totient is φ = 31942720.

The previous prime is 40045517. The next prime is 40045547. The reversal of 40045535 is 53554004.

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

It is not a de Polignac number, because 40045535 - 2¹⁶ = 39979999 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9806 + ... + 13275.

It is an arithmetic number, because the mean of its divisors is an integer number (6024402).

Almost surely, 2^40045535 is an apocalyptic number.

40045535 is a deficient number, since it is larger than the sum of its proper divisors (8149681).

40045535 is a wasteful number, since it uses less digits than its factorization.

40045535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23433.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 40045535 is about 6328.1541542538. The cubic root of 40045535 is about 342.1249130476.

Adding to 40045535 its reverse (53554004), we get a palindrome (93599539).

The spelling of 40045535 in words is "forty million, forty-five thousand, five hundred thirty-five".