40016452 has 24 divisors (see below), whose sum is σ = 81164160. Its totient is φ = 16907520.

The previous prime is 40016441. The next prime is 40016461. The reversal of 40016452 is 25461004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077 + ... + 12052.

It is an arithmetic number, because the mean of its divisors is an integer number (3381840).

Almost surely, 2^40016452 is an apocalyptic number.

It is an amenable number.

40016452 is an abundant number, since it is smaller than the sum of its proper divisors (41147708).

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

40016452 is a wasteful number, since it uses less digits than its factorization.

40016452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211 (or 20209 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 40016452 is about 6325.8558314271. The cubic root of 40016452 is about 342.0420704490.

Adding to 40016452 its reverse (25461004), we get a palindrome (65477456).

The spelling of 40016452 in words is "forty million, sixteen thousand, four hundred fifty-two".