40500450 has 36 divisors (see below), whose sum is σ = 108812418. Its totient is φ = 10800000.

The previous prime is 40500437. The next prime is 40500469. The reversal of 40500450 is 5400504.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39652209 + 848241 = 6297^2 + 921^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 44551 + ... + 45450.

Almost surely, 2^40500450 is an apocalyptic number.

40500450 is an abundant number, since it is smaller than the sum of its proper divisors (68311968).

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

40500450 is a wasteful number, since it uses less digits than its factorization.

40500450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90019 (or 90011 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 40500450 is about 6363.9963859198. The cubic root of 40500450 is about 343.4155446660.

Adding to 40500450 its reverse (5400504), we get a palindrome (45900954).

The spelling of 40500450 in words is "forty million, five hundred thousand, four hundred fifty".