40512550 has 24 divisors (see below), whose sum is σ = 81151056. Its totient is φ = 14958240.

The previous prime is 40512539. The next prime is 40512553. The reversal of 40512550 is 5521504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512553) 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 11 ways as a sum of consecutive naturals, for example, 30514 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (3381294).

Almost surely, 2^40512550 is an apocalyptic number.

40512550 is an abundant number, since it is smaller than the sum of its proper divisors (40638506).

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

40512550 is a wasteful number, since it uses less digits than its factorization.

40512550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62352 (or 62347 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 40512550 is about 6364.9469754272. The cubic root of 40512550 is about 343.4497411119.

The spelling of 40512550 in words is "forty million, five hundred twelve thousand, five hundred fifty".