40457085 has 16 divisors (see below), whose sum is σ = 65552640. Its totient is φ = 21303360.

The previous prime is 40457071. The next prime is 40457101. The reversal of 40457085 is 58075404.

It is not a de Polignac number, because 40457085 - 2⁹ = 40456573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15886 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (4097040).

Almost surely, 2^40457085 is an apocalyptic number.

It is an amenable number.

40457085 is a deficient number, since it is larger than the sum of its proper divisors (25095555).

40457085 is a wasteful number, since it uses less digits than its factorization.

40457085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34228.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 40457085 is about 6360.5884161766. The cubic root of 40457085 is about 343.2929325845.

The spelling of 40457085 in words is "forty million, four hundred fifty-seven thousand, eighty-five".