40160645 has 24 divisors (see below), whose sum is σ = 58506624. Its totient is φ = 26337696.

The previous prime is 40160639. The next prime is 40160663. The reversal of 40160645 is 54606104.

It is a happy number.

It is not a de Polignac number, because 40160645 - 2¹⁰ = 40159621 is a prime.

It is a super-2 number, since 2×40160645² = 3225754813632050, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 2072 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (2437776).

Almost surely, 2^40160645 is an apocalyptic number.

It is an amenable number.

40160645 is a deficient number, since it is larger than the sum of its proper divisors (18345979).

40160645 is a wasteful number, since it uses less digits than its factorization.

40160645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169 (or 7162 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40160645 is about 6337.2426969464. The cubic root of 40160645 is about 342.4524096059.

Adding to 40160645 its reverse (54606104), we get a palindrome (94766749).

The spelling of 40160645 in words is "forty million, one hundred sixty thousand, six hundred forty-five".