64482840 has 48 divisors (see below), whose sum is σ = 209570400. Its totient is φ = 17195328.

The previous prime is 64482829. The next prime is 64482857. The reversal of 64482840 is 4828446.

64482840 is a `hidden beast` number, since 644 + 8 + 2 + 8 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 64482795 and 64482804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89200 + ... + 89919.

It is an arithmetic number, because the mean of its divisors is an integer number (4366050).

Almost surely, 2^64482840 is an apocalyptic number.

64482840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64482840 is an abundant number, since it is smaller than the sum of its proper divisors (145087560).

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

64482840 is a wasteful number, since it uses less digits than its factorization.

64482840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179136 (or 179129 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 64482840 is about 8030.1207961026. The cubic root of 64482840 is about 401.0033975454.

The spelling of 64482840 in words is "sixty-four million, four hundred eighty-two thousand, eight hundred forty".