40132665 has 96 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 19160064.

The previous prime is 40132663. The next prime is 40132669. The reversal of 40132665 is 56623104.

It is not a de Polignac number, because 40132665 - 2¹ = 40132663 is a prime.

It is a super-2 number, since 2×40132665² = 3221261600004450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40132663) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 598962 + ... + 599028.

It is an arithmetic number, because the mean of its divisors is an integer number (835380).

Almost surely, 2^40132665 is an apocalyptic number.

40132665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40132665 is a deficient number, since it is larger than the sum of its proper divisors (40063815).

40132665 is a wasteful number, since it uses less digits than its factorization.

40132665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40132665 is about 6335.0347276080. The cubic root of 40132665 is about 342.3728620413.

Adding to 40132665 its reverse (56623104), we get a palindrome (96755769).

The spelling of 40132665 in words is "forty million, one hundred thirty-two thousand, six hundred sixty-five".