40455525478 has 8 divisors (see below), whose sum is σ = 60684591240. Its totient is φ = 20227328400.

The previous prime is 40455525449. The next prime is 40455525479. The reversal of 40455525478 is 87452555404.

40455525478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40455525478² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455525479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84543 + ... + 296746.

It is an arithmetic number, because the mean of its divisors is an integer number (7585573905).

Almost surely, 2^40455525478 is an apocalyptic number.

40455525478 is a deficient number, since it is larger than the sum of its proper divisors (20229065762).

40455525478 is a wasteful number, since it uses less digits than its factorization.

40455525478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434342.

The product of its (nonzero) digits is 4480000, while the sum is 49.

The spelling of 40455525478 in words is "forty billion, four hundred fifty-five million, five hundred twenty-five thousand, four hundred seventy-eight".