32798204640 has 192 divisors, whose sum is σ = 115848532800. Its totient is φ = 8665823232.

The previous prime is 32798204587. The next prime is 32798204653. The reversal of 32798204640 is 4640289723.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436054 + ... + 505706.

It is an arithmetic number, because the mean of its divisors is an integer number (603377775).

Almost surely, 2^32798204640 is an apocalyptic number.

32798204640 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 32798204640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57924266400).

32798204640 is an abundant number, since it is smaller than the sum of its proper divisors (83050328160).

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

32798204640 is a wasteful number, since it uses less digits than its factorization.

32798204640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69786 (or 69772 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 32798204640 in words is "thirty-two billion, seven hundred ninety-eight million, two hundred four thousand, six hundred forty".