40765845 has 16 divisors (see below), whose sum is σ = 65305152. Its totient is φ = 21715200.

The previous prime is 40765843. The next prime is 40765859. The reversal of 40765845 is 54856704.

It is not a de Polignac number, because 40765845 - 2¹ = 40765843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40765841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20829 + ... + 22701.

It is an arithmetic number, because the mean of its divisors is an integer number (4081572).

Almost surely, 2^40765845 is an apocalyptic number.

It is an amenable number.

40765845 is a deficient number, since it is larger than the sum of its proper divisors (24539307).

40765845 is a wasteful number, since it uses less digits than its factorization.

40765845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 40765845 is about 6384.8136229650. The cubic root of 40765845 is about 344.1640335642.

The spelling of 40765845 in words is "forty million, seven hundred sixty-five thousand, eight hundred forty-five".