455067840 has 56 divisors (see below), whose sum is σ = 1444843440. Its totient is φ = 121351168.

The previous prime is 455067787. The next prime is 455067853. The reversal of 455067840 is 48760554.

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, 236055 + ... + 237974.

Almost surely, 2^455067840 is an apocalyptic number.

455067840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455067840 is an abundant number, since it is smaller than the sum of its proper divisors (989775600).

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

455067840 is a wasteful number, since it uses less digits than its factorization.

455067840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474049 (or 474039 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 455067840 is about 21332.3191425593. The cubic root of 455067840 is about 769.1753920340.

It can be divided in two parts, 4550 and 67840, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 455067840 in words is "four hundred fifty-five million, sixty-seven thousand, eight hundred forty".