40425006454 has 16 divisors (see below), whose sum is σ = 71172985248. Its totient is φ = 16856759232.

The previous prime is 40425006449. The next prime is 40425006481. The reversal of 40425006454 is 45460052404.

It is a super-2 number, since 2×40425006454² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39019759 + ... + 39020794.

It is an arithmetic number, because the mean of its divisors is an integer number (4448311578).

Almost surely, 2^40425006454 is an apocalyptic number.

40425006454 is a deficient number, since it is larger than the sum of its proper divisors (30747978794).

40425006454 is a wasteful number, since it uses less digits than its factorization.

40425006454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78040599.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40425006454 its reverse (45460052404), we get a palindrome (85885058858).

The spelling of 40425006454 in words is "forty billion, four hundred twenty-five million, six thousand, four hundred fifty-four".