40016430554 has 8 divisors (see below), whose sum is σ = 60102299700. Its totient is φ = 19982330656.

The previous prime is 40016430551. The next prime is 40016430563. The reversal of 40016430554 is 45503461004.

It can be written as a sum of positive squares in 2 ways, for example, as 36663441529 + 3352989025 = 191477^2 + 57905^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40016430554.

It is not an unprimeable number, because it can be changed into a prime (40016430551) 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, 12940379 + ... + 12943470.

Almost surely, 2^40016430554 is an apocalyptic number.

40016430554 is a deficient number, since it is larger than the sum of its proper divisors (20085869146).

40016430554 is a wasteful number, since it uses less digits than its factorization.

40016430554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25884624.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 40016430554 its reverse (45503461004), we get a palindrome (85519891558).

The spelling of 40016430554 in words is "forty billion, sixteen million, four hundred thirty thousand, five hundred fifty-four".