32066555440 has 40 divisors (see below), whose sum is σ = 74573441280. Its totient is φ = 12823405056.

The previous prime is 32066555413. The next prime is 32066555491. The reversal of 32066555440 is 4455566023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 32066555393 and 32066555402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284532 + ... + 380908.

It is an arithmetic number, because the mean of its divisors is an integer number (1864336032).

Almost surely, 2^32066555440 is an apocalyptic number.

It is an amenable number.

32066555440 is an abundant number, since it is smaller than the sum of its proper divisors (42506885840).

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

32066555440 is a wasteful number, since it uses less digits than its factorization.

32066555440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100549 (or 100543 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 32066555440 in words is "thirty-two billion, sixty-six million, five hundred fifty-five thousand, four hundred forty".