40263313454 has 32 divisors (see below), whose sum is σ = 74404162560. Its totient is φ = 15912938592.

The previous prime is 40263313439. The next prime is 40263313487. The reversal of 40263313454 is 45431336204.

It is a super-2 number, since 2×40263313454² (a number of 22 digits) contains 22 as substring.

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, 82637 + ... + 295559.

It is an arithmetic number, because the mean of its divisors is an integer number (2325130080).

Almost surely, 2^40263313454 is an apocalyptic number.

40263313454 is a deficient number, since it is larger than the sum of its proper divisors (34140849106).

40263313454 is a wasteful number, since it uses less digits than its factorization.

40263313454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213984.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 40263313454 its reverse (45431336204), we get a palindrome (85694649658).

The spelling of 40263313454 in words is "forty billion, two hundred sixty-three million, three hundred thirteen thousand, four hundred fifty-four".