40065132 has 24 divisors (see below), whose sum is σ = 94108672. Its totient is φ = 13266000.

The previous prime is 40065131. The next prime is 40065133. The reversal of 40065132 is 23156004.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40065131) and next prime (40065133).

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40065099 and 40065108.

It is not an unprimeable number, because it can be changed into a prime (40065131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9244 + ... + 12867.

Almost surely, 2^40065132 is an apocalyptic number.

It is an amenable number.

40065132 is an abundant number, since it is smaller than the sum of its proper divisors (54043540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40065132 is a wasteful number, since it uses less digits than its factorization.

40065132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22269 (or 22267 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40065132 is about 6329.7023626708. The cubic root of 40065132 is about 342.1807122650.

The spelling of 40065132 in words is "forty million, sixty-five thousand, one hundred thirty-two".