32540904620 has 192 divisors, whose sum is σ = 86511753216. Its totient is φ = 10017976320.

The previous prime is 32540904619. The next prime is 32540904623. The reversal of 32540904620 is 2640904523.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (32540904623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40124015 + ... + 40124825.

It is an arithmetic number, because the mean of its divisors is an integer number (450582048).

Almost surely, 2^32540904620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32540904620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43255876608).

32540904620 is an abundant number, since it is smaller than the sum of its proper divisors (53970848596).

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

32540904620 is a wasteful number, since it uses less digits than its factorization.

32540904620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 32540904620 in words is "thirty-two billion, five hundred forty million, nine hundred four thousand, six hundred twenty".