40652765 has 4 divisors (see below), whose sum is σ = 48783324. Its totient is φ = 32522208.

The previous prime is 40652747. The next prime is 40652783. The reversal of 40652765 is 56725604.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40652747) and next prime (40652783).

It can be written as a sum of positive squares in 2 ways, for example, as 15832441 + 24820324 = 3979^2 + 4982^2 .

It is a cyclic number.

It is not a de Polignac number, because 40652765 - 2⁶ = 40652701 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 3 ways as a sum of consecutive naturals, for example, 4065272 + ... + 4065281.

It is an arithmetic number, because the mean of its divisors is an integer number (12195831).

Almost surely, 2^40652765 is an apocalyptic number.

It is an amenable number.

40652765 is a deficient number, since it is larger than the sum of its proper divisors (8130559).

40652765 is an equidigital number, since it uses as much as digits as its factorization.

40652765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130558.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40652765 is about 6375.9520857673. The cubic root of 40652765 is about 343.8455143945.

The spelling of 40652765 in words is "forty million, six hundred fifty-two thousand, seven hundred sixty-five".