32163926340 has 384 divisors, whose sum is σ = 118044057600. Its totient is φ = 6489939456.

The previous prime is 32163926329. The next prime is 32163926387. The reversal of 32163926340 is 4362936123.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6150807 + ... + 6156033.

It is an arithmetic number, because the mean of its divisors is an integer number (307406400).

Almost surely, 2^32163926340 is an apocalyptic number.

32163926340 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 32163926340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59022028800).

32163926340 is an abundant number, since it is smaller than the sum of its proper divisors (85880131260).

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

32163926340 is a wasteful number, since it uses less digits than its factorization.

32163926340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296 (or 5280 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 39.

The spelling of 32163926340 in words is "thirty-two billion, one hundred sixty-three million, nine hundred twenty-six thousand, three hundred forty".