32793564420 has 144 divisors (see below), whose sum is σ = 103268850048. Its totient is φ = 8735558400.

The previous prime is 32793564407. The next prime is 32793564431. The reversal of 32793564420 is 2446539723.

32793564420 is a `hidden beast` number, since 3 + 279 + 356 + 4 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5328345 + ... + 5334495.

It is an arithmetic number, because the mean of its divisors is an integer number (717144792).

Almost surely, 2^32793564420 is an apocalyptic number.

32793564420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32793564420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51634425024).

32793564420 is an abundant number, since it is smaller than the sum of its proper divisors (70475285628).

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

32793564420 is a wasteful number, since it uses less digits than its factorization.

32793564420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272 (or 7258 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 32793564420 in words is "thirty-two billion, seven hundred ninety-three million, five hundred sixty-four thousand, four hundred twenty".