6532018380 has 72 divisors (see below), whose sum is σ = 19844955312. Its totient is φ = 1739131776.

The previous prime is 6532018351. The next prime is 6532018393. The reversal of 6532018380 is 838102356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87522 + ... + 143958.

Almost surely, 2^6532018380 is an apocalyptic number.

6532018380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6532018380 is an abundant number, since it is smaller than the sum of its proper divisors (13312936932).

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

6532018380 is a wasteful number, since it uses less digits than its factorization.

6532018380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57095 (or 57090 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6532018380 is about 80820.9031129942. The cubic root of 6532018380 is about 1869.3148929191.

The spelling of 6532018380 in words is "six billion, five hundred thirty-two million, eighteen thousand, three hundred eighty".