40152765 has 16 divisors (see below), whose sum is σ = 65204928. Its totient is φ = 21094656.

The previous prime is 40152731. The next prime is 40152811. The reversal of 40152765 is 56725104.

It is not a de Polignac number, because 40152765 - 2⁹ = 40152253 is a prime.

It is a super-2 number, since 2×40152765² = 3224489074290450, which contains 22 as substring.

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, 18972 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (4075308).

Almost surely, 2^40152765 is an apocalyptic number.

It is an amenable number.

40152765 is a deficient number, since it is larger than the sum of its proper divisors (25052163).

40152765 is a wasteful number, since it uses less digits than its factorization.

40152765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40028.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 40152765 is about 6336.6209449517. The cubic root of 40152765 is about 342.4300103847.

Adding to 40152765 its reverse (56725104), we get a palindrome (96877869).

The spelling of 40152765 in words is "forty million, one hundred fifty-two thousand, seven hundred sixty-five".