40533550 has 12 divisors (see below), whose sum is σ = 75392496. Its totient is φ = 16213400.

The previous prime is 40533541. The next prime is 40533553. The reversal of 40533550 is 5533504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533553) 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, 405286 + ... + 405385.

It is an arithmetic number, because the mean of its divisors is an integer number (6282708).

Almost surely, 2^40533550 is an apocalyptic number.

40533550 is a deficient number, since it is larger than the sum of its proper divisors (34858946).

40533550 is a wasteful number, since it uses less digits than its factorization.

40533550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810683 (or 810678 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 40533550 is about 6366.5964219511. The cubic root of 40533550 is about 343.5090741557.

The spelling of 40533550 in words is "forty million, five hundred thirty-three thousand, five hundred fifty".