32620469532 has 144 divisors (see below), whose sum is σ = 92524384512. Its totient is φ = 8902037760.

The previous prime is 32620469477. The next prime is 32620469549. The reversal of 32620469532 is 23596402623.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12887107 + ... + 12889637.

It is an arithmetic number, because the mean of its divisors is an integer number (642530448).

Almost surely, 2^32620469532 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 32620469532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46262192256).

32620469532 is an abundant number, since it is smaller than the sum of its proper divisors (59903914980).

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

32620469532 is a wasteful number, since it uses less digits than its factorization.

32620469532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 32620469532 in words is "thirty-two billion, six hundred twenty million, four hundred sixty-nine thousand, five hundred thirty-two".