455163315640 has 32 divisors (see below), whose sum is σ = 1117219048560. Its totient is φ = 165513932800.

The previous prime is 455163315619. The next prime is 455163315661. The reversal of 455163315640 is 46513361554.

It is an interprime number because it is at equal distance from previous prime (455163315619) and next prime (455163315661).

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, 517230601 + ... + 517231480.

Almost surely, 2^455163315640 is an apocalyptic number.

455163315640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455163315640 is an abundant number, since it is smaller than the sum of its proper divisors (662055732920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455163315640 is a wasteful number, since it uses less digits than its factorization.

455163315640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034462103 (or 1034462099 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 455163315640 in words is "four hundred fifty-five billion, one hundred sixty-three million, three hundred fifteen thousand, six hundred forty".