40545512 has 32 divisors (see below), whose sum is σ = 87582720. Its totient is φ = 17236800.

The previous prime is 40545467. The next prime is 40545521. The reversal of 40545512 is 21554504.

40545512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4262 + ... + 9962.

It is an arithmetic number, because the mean of its divisors is an integer number (2736960).

Almost surely, 2^40545512 is an apocalyptic number.

It is an amenable number.

40545512 is an abundant number, since it is smaller than the sum of its proper divisors (47037208).

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

40545512 is a wasteful number, since it uses less digits than its factorization.

40545512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5837 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40545512 is about 6367.5357871001. The cubic root of 40545512 is about 343.5428622267.

The spelling of 40545512 in words is "forty million, five hundred forty-five thousand, five hundred twelve".