40454132 has 24 divisors (see below), whose sum is σ = 73785600. Its totient is φ = 19385280.

The previous prime is 40454129. The next prime is 40454137. The reversal of 40454132 is 23145404.

It is a junction number, because it is equal to n+sod(n) for n = 40454098 and 40454107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454137) 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, 11744 + ... + 14792.

It is an arithmetic number, because the mean of its divisors is an integer number (3074400).

Almost surely, 2^40454132 is an apocalyptic number.

It is an amenable number.

40454132 is a deficient number, since it is larger than the sum of its proper divisors (33331468).

40454132 is a wasteful number, since it uses less digits than its factorization.

40454132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191 (or 3189 counting only the distinct ones).

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

The square root of 40454132 is about 6360.3562793290. The cubic root of 40454132 is about 343.2845799585.

Adding to 40454132 its reverse (23145404), we get a palindrome (63599536).

The spelling of 40454132 in words is "forty million, four hundred fifty-four thousand, one hundred thirty-two".