32631034840 has 64 divisors (see below), whose sum is σ = 74586692160. Its totient is φ = 12845629440.

The previous prime is 32631034819. The next prime is 32631034861. The reversal of 32631034840 is 4843013623.

It is an interprime number because it is at equal distance from previous prime (32631034819) and next prime (32631034861).

It is a junction number, because it is equal to n+sod(n) for n = 32631034796 and 32631034805.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1628724 + ... + 1648636.

It is an arithmetic number, because the mean of its divisors is an integer number (1165417065).

Almost surely, 2^32631034840 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 32631034840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37293346080).

32631034840 is an abundant number, since it is smaller than the sum of its proper divisors (41955657320).

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

32631034840 is a wasteful number, since it uses less digits than its factorization.

32631034840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572 (or 20568 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 32631034840 in words is "thirty-two billion, six hundred thirty-one million, thirty-four thousand, eight hundred forty".