40450154530 has 8 divisors (see below), whose sum is σ = 72810278172. Its totient is φ = 16180061808.

The previous prime is 40450154513. The next prime is 40450154531. The reversal of 40450154530 is 3545105404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38637012969 + 1813141561 = 196563^2 + 42581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40450154492 and 40450154501.

It is not an unprimeable number, because it can be changed into a prime (40450154531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022507717 + ... + 2022507736.

Almost surely, 2^40450154530 is an apocalyptic number.

40450154530 is a deficient number, since it is larger than the sum of its proper divisors (32360123642).

40450154530 is a wasteful number, since it uses less digits than its factorization.

40450154530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045015460.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 40450154530 its reverse (3545105404), we get a palindrome (43995259934).

The spelling of 40450154530 in words is "forty billion, four hundred fifty million, one hundred fifty-four thousand, five hundred thirty".