2132405504 has 18 divisors (see below), whose sum is σ = 4256481810. Its totient is φ = 1066202624.

The previous prime is 2132405503. The next prime is 2132405519. The reversal of 2132405504 is 4055042312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2038703104 + 93702400 = 45152^2 + 9680^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132405503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4164599 + ... + 4165110.

Almost surely, 2^2132405504 is an apocalyptic number.

It is an amenable number.

2132405504 is a deficient number, since it is larger than the sum of its proper divisors (2124076306).

2132405504 is an frugal number, since it uses more digits than its factorization.

2132405504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329725 (or 8329711 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2132405504 is about 46177.9763956802. The cubic root of 2132405504 is about 1287.1325254592.

Adding to 2132405504 its reverse (4055042312), we get a palindrome (6187447816).

The spelling of 2132405504 in words is "two billion, one hundred thirty-two million, four hundred five thousand, five hundred four".