40450252555 has 16 divisors (see below), whose sum is σ = 50235266880. Its totient is φ = 31231166848.

The previous prime is 40450252511. The next prime is 40450252643. The reversal of 40450252555 is 55525205404.

It is a cyclic number.

It is not a de Polignac number, because 40450252555 - 2⁹ = 40450252043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293769 + ... + 408901.

It is an arithmetic number, because the mean of its divisors is an integer number (3139704180).

Almost surely, 2^40450252555 is an apocalyptic number.

40450252555 is a deficient number, since it is larger than the sum of its proper divisors (9785014325).

40450252555 is a wasteful number, since it uses less digits than its factorization.

40450252555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117590.

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 40450252555 its reverse (55525205404), we get a palindrome (95975457959).

The spelling of 40450252555 in words is "forty billion, four hundred fifty million, two hundred fifty-two thousand, five hundred fifty-five".