455071680 has 168 divisors, whose sum is σ = 1788944352. Its totient is φ = 104011776.

The previous prime is 455071649. The next prime is 455071697. The reversal of 455071680 is 86170554.

It is a tau number, because it is divible by the number of its divisors (168).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 8874 + ... + 31446.

Almost surely, 2^455071680 is an apocalyptic number.

455071680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455071680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894472176).

455071680 is an abundant number, since it is smaller than the sum of its proper divisors (1333872672).

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

455071680 is a wasteful number, since it uses less digits than its factorization.

455071680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22603 (or 22590 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 455071680 is about 21332.4091466482. The cubic root of 455071680 is about 769.1775555394.

The spelling of 455071680 in words is "four hundred fifty-five million, seventy-one thousand, six hundred eighty".