40661514 has 40 divisors (see below), whose sum is σ = 91476000. Its totient is φ = 13499784.

The previous prime is 40661513. The next prime is 40661521. The reversal of 40661514 is 41516604.

40661514 is a `hidden beast` number, since 40 + 6 + 615 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40661513) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 80587 + ... + 81089.

It is an arithmetic number, because the mean of its divisors is an integer number (2286900).

Almost surely, 2^40661514 is an apocalyptic number.

40661514 is an abundant number, since it is smaller than the sum of its proper divisors (50814486).

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

40661514 is a wasteful number, since it uses less digits than its factorization.

40661514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40661514 is about 6376.6381424697. The cubic root of 40661514 is about 343.8701792902.

The spelling of 40661514 in words is "forty million, six hundred sixty-one thousand, five hundred fourteen".