32697503940 has 192 divisors, whose sum is σ = 97372800000. Its totient is φ = 8175168000.

The previous prime is 32697503939. The next prime is 32697503957. The reversal of 32697503940 is 4930579623.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32697503940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65525811 + ... + 65526309.

It is an arithmetic number, because the mean of its divisors is an integer number (507150000).

Almost surely, 2^32697503940 is an apocalyptic number.

32697503940 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 32697503940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48686400000).

32697503940 is an abundant number, since it is smaller than the sum of its proper divisors (64675296060).

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

32697503940 is a wasteful number, since it uses less digits than its factorization.

32697503940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 48.

The spelling of 32697503940 in words is "thirty-two billion, six hundred ninety-seven million, five hundred three thousand, nine hundred forty".