32501423552 has 56 divisors (see below), whose sum is σ = 69536925696. Its totient is φ = 14983216128.

The previous prime is 32501423501. The next prime is 32501423557. The reversal of 32501423552 is 25532410523.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32501423557) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 707393 + ... + 751935.

It is an arithmetic number, because the mean of its divisors is an integer number (1241730816).

Almost surely, 2^32501423552 is an apocalyptic number.

32501423552 is a gapful number since it is divisible by the number (32) 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 32501423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34768462848).

32501423552 is an abundant number, since it is smaller than the sum of its proper divisors (37035502144).

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

32501423552 is a wasteful number, since it uses less digits than its factorization.

32501423552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45445 (or 45435 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 32501423552 in words is "thirty-two billion, five hundred one million, four hundred twenty-three thousand, five hundred fifty-two".