40543550 has 12 divisors (see below), whose sum is σ = 75411096. Its totient is φ = 16217400.

The previous prime is 40543541. The next prime is 40543553. The reversal of 40543550 is 5534504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 405386 + ... + 405485.

It is an arithmetic number, because the mean of its divisors is an integer number (6284258).

Almost surely, 2^40543550 is an apocalyptic number.

40543550 is a deficient number, since it is larger than the sum of its proper divisors (34867546).

40543550 is a wasteful number, since it uses less digits than its factorization.

40543550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810883 (or 810878 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 40543550 is about 6367.3817224979. The cubic root of 40543550 is about 343.5373207834.

The spelling of 40543550 in words is "forty million, five hundred forty-three thousand, five hundred fifty".