213552540404 has 24 divisors (see below), whose sum is σ = 429573906048. Its totient is φ = 90993483360.

The previous prime is 213552540401. The next prime is 213552540433. The reversal of 213552540404 is 404045255312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213552540401) 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, 22038152 + ... + 22047839.

It is an arithmetic number, because the mean of its divisors is an integer number (17898912752).

Almost surely, 2^213552540404 is an apocalyptic number.

It is an amenable number.

213552540404 is an abundant number, since it is smaller than the sum of its proper divisors (216021365644).

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

213552540404 is a wasteful number, since it uses less digits than its factorization.

213552540404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44086175 (or 44086173 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 213552540404 its reverse (404045255312), we get a palindrome (617597795716).

The spelling of 213552540404 in words is "two hundred thirteen billion, five hundred fifty-two million, five hundred forty thousand, four hundred four".