40451140 has 24 divisors (see below), whose sum is σ = 85099392. Its totient is φ = 16151520.

The previous prime is 40451093. The next prime is 40451153. The reversal of 40451140 is 4115404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12357 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (3545808).

Almost surely, 2^40451140 is an apocalyptic number.

It is an amenable number.

40451140 is an abundant number, since it is smaller than the sum of its proper divisors (44648252).

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

40451140 is a wasteful number, since it uses less digits than its factorization.

40451140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40451140 is about 6360.1210680301. The cubic root of 40451140 is about 343.2761166056.

Adding to 40451140 its reverse (4115404), we get a palindrome (44566544).

The spelling of 40451140 in words is "forty million, four hundred fifty-one thousand, one hundred forty".