40550912 has 20 divisors (see below), whose sum is σ = 81023646. Its totient is φ = 20275200.

The previous prime is 40550911. The next prime is 40550941. The reversal of 40550912 is 21905504.

It can be written as a sum of positive squares in only one way, i.e., 28047616 + 12503296 = 5296^2 + 3536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39089 + ... + 40112.

Almost surely, 2^40550912 is an apocalyptic number.

It is an amenable number.

40550912 is a deficient number, since it is larger than the sum of its proper divisors (40472734).

40550912 is an frugal number, since it uses more digits than its factorization.

40550912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79219 (or 79203 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 40550912 is about 6367.9597988681. The cubic root of 40550912 is about 343.5581129825.

The spelling of 40550912 in words is "forty million, five hundred fifty thousand, nine hundred twelve".