40134452 has 12 divisors (see below), whose sum is σ = 70385280. Its totient is φ = 20024376.

The previous prime is 40134439. The next prime is 40134473. The reversal of 40134452 is 25443104.

It is a super-2 number, since 2×40134452² = 3221548474680608, 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 3 ways as a sum of consecutive naturals, for example, 8558 + ... + 12389.

It is an arithmetic number, because the mean of its divisors is an integer number (5865440).

Almost surely, 2^40134452 is an apocalyptic number.

It is an amenable number.

40134452 is a deficient number, since it is larger than the sum of its proper divisors (30250828).

40134452 is a wasteful number, since it uses less digits than its factorization.

40134452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21430 (or 21428 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40134452 is about 6335.1757670960. The cubic root of 40134452 is about 342.3779436145.

Adding to 40134452 its reverse (25443104), we get a palindrome (65577556).

The spelling of 40134452 in words is "forty million, one hundred thirty-four thousand, four hundred fifty-two".