4546239840 has 72 divisors (see below), whose sum is σ = 15514048368. Its totient is φ = 1212330240.

The previous prime is 4546239811. The next prime is 4546239857. The reversal of 4546239840 is 489326454.

4546239840 is a `hidden beast` number, since 4 + 546 + 23 + 9 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1577116 + ... + 1579995.

It is an arithmetic number, because the mean of its divisors is an integer number (215472894).

Almost surely, 2^4546239840 is an apocalyptic number.

4546239840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4546239840 is an abundant number, since it is smaller than the sum of its proper divisors (10967808528).

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

4546239840 is a wasteful number, since it uses less digits than its factorization.

4546239840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157132 (or 3157121 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4546239840 is about 67425.8098950246. The cubic root of 4546239840 is about 1656.5992020500.

The spelling of 4546239840 in words is "four billion, five hundred forty-six million, two hundred thirty-nine thousand, eight hundred forty".