365545534420 has 96 divisors (see below), whose sum is σ = 857209288320. Its totient is φ = 129788520960.

The previous prime is 365545534411. The next prime is 365545534421. The reversal of 365545534420 is 24435545563.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (365545534421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37958166 + ... + 37967794.

It is an arithmetic number, because the mean of its divisors is an integer number (8929263420).

Almost surely, 2^365545534420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 365545534420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428604644160).

365545534420 is an abundant number, since it is smaller than the sum of its proper divisors (491663753900).

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

365545534420 is a wasteful number, since it uses less digits than its factorization.

365545534420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13705 (or 13703 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 46.

The spelling of 365545534420 in words is "three hundred sixty-five billion, five hundred forty-five million, five hundred thirty-four thousand, four hundred twenty".