46539565920 has 288 divisors, whose sum is σ = 165063225600. Its totient is φ = 11927900160.

The previous prime is 46539565913. The next prime is 46539565927. The reversal of 46539565920 is 2956593564.

It is a happy number.

46539565920 is a `hidden beast` number, since 4 + 6 + 53 + 9 + 565 + 9 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (46539565913) and next prime (46539565927).

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46539565927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6647862 + ... + 6654858.

It is an arithmetic number, because the mean of its divisors is an integer number (573136200).

Almost surely, 2^46539565920 is an apocalyptic number.

46539565920 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 46539565920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82531612800).

46539565920 is an abundant number, since it is smaller than the sum of its proper divisors (118523659680).

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

46539565920 is a wasteful number, since it uses less digits than its factorization.

46539565920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 46539565920 in words is "forty-six billion, five hundred thirty-nine million, five hundred sixty-five thousand, nine hundred twenty".