32378288406 has 32 divisors (see below), whose sum is σ = 66235291488. Its totient is φ = 10547896320.

The previous prime is 32378288323. The next prime is 32378288419. The reversal of 32378288406 is 60488287323.

It is a happy number.

It is a super-2 number, since 2×32378288406² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 116365 + ... + 279816.

It is an arithmetic number, because the mean of its divisors is an integer number (2069852859).

Almost surely, 2^32378288406 is an apocalyptic number.

32378288406 is an abundant number, since it is smaller than the sum of its proper divisors (33857003082).

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

32378288406 is a wasteful number, since it uses less digits than its factorization.

32378288406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396496.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 32378288406 in words is "thirty-two billion, three hundred seventy-eight million, two hundred eighty-eight thousand, four hundred six".