40775450 has 48 divisors (see below), whose sum is σ = 79916760. Its totient is φ = 15456000.

The previous prime is 40775437. The next prime is 40775459. The reversal of 40775450 is 5457704.

It can be written as a sum of positive squares in 12 ways, for example, as 693889 + 40081561 = 833^2 + 6331^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40775459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88220 + ... + 88680.

Almost surely, 2^40775450 is an apocalyptic number.

40775450 is a deficient number, since it is larger than the sum of its proper divisors (39141310).

40775450 is a wasteful number, since it uses less digits than its factorization.

40775450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 40775450 is about 6385.5657541051. The cubic root of 40775450 is about 344.1910613857.

It can be divided in two parts, 407 and 75450, that added together give a palindrome (75857).

The spelling of 40775450 in words is "forty million, seven hundred seventy-five thousand, four hundred fifty".