40503144622454 has 16 divisors (see below), whose sum is σ = 61304886440448. Its totient is φ = 20068556360832.

The previous prime is 40503144622399. The next prime is 40503144622469. The reversal of 40503144622454 is 45422644130504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93254147 + ... + 93687470.

It is an arithmetic number, because the mean of its divisors is an integer number (3831555402528).

Almost surely, 2^{40503144622454} is an apocalyptic number.

40503144622454 is a deficient number, since it is larger than the sum of its proper divisors (20801741817994).

40503144622454 is a wasteful number, since it uses less digits than its factorization.

40503144622454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186942599.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 40503144622454 its reverse (45422644130504), we get a palindrome (85925788752958).

It can be divided in two parts, 4050314 and 4622454, that added together give a palindrome (8672768).

The spelling of 40503144622454 in words is "forty trillion, five hundred three billion, one hundred forty-four million, six hundred twenty-two thousand, four hundred fifty-four".