40450240454 has 32 divisors (see below), whose sum is σ = 67247294016. Its totient is φ = 18127255680.

The previous prime is 40450240423. The next prime is 40450240469. The reversal of 40450240454 is 45404205404.

It is a super-2 number, since 2×40450240454² (a number of 22 digits) contains 22 as substring.

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 40450240454.

It is a congruent number.

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, 425324 + ... + 511664.

It is an arithmetic number, because the mean of its divisors is an integer number (2101477938).

Almost surely, 2^40450240454 is an apocalyptic number.

40450240454 is a deficient number, since it is larger than the sum of its proper divisors (26797053562).

40450240454 is a wasteful number, since it uses less digits than its factorization.

40450240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86880.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 40450240454 its reverse (45404205404), we get a palindrome (85854445858).

The spelling of 40450240454 in words is "forty billion, four hundred fifty million, two hundred forty thousand, four hundred fifty-four".