213475880544 has 48 divisors (see below), whose sum is σ = 567467550720. Its totient is φ = 70257882240.

The previous prime is 213475880543. The next prime is 213475880551. The reversal of 213475880544 is 445088574312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213475880543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14066512 + ... + 14081679.

It is an arithmetic number, because the mean of its divisors is an integer number (11822240640).

Almost surely, 2^213475880544 is an apocalyptic number.

213475880544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

213475880544 is an abundant number, since it is smaller than the sum of its proper divisors (353991670176).

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

213475880544 is a wasteful number, since it uses less digits than its factorization.

213475880544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28148283 (or 28148275 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 213475880544 in words is "two hundred thirteen billion, four hundred seventy-five million, eight hundred eighty thousand, five hundred forty-four".