32210400146 has 24 divisors (see below), whose sum is σ = 50317931520. Its totient is φ = 15462838440.

The previous prime is 32210400143. The next prime is 32210400149. The reversal of 32210400146 is 64100401223.

32210400146 = 9004² + 9005² + ... + 9384².

It is an interprime number because it is at equal distance from previous prime (32210400143) and next prime (32210400149).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32210400143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178115 + ... + 310073.

It is an arithmetic number, because the mean of its divisors is an integer number (2096580480).

Almost surely, 2^32210400146 is an apocalyptic number.

32210400146 is a deficient number, since it is larger than the sum of its proper divisors (18107531374).

32210400146 is a wasteful number, since it uses less digits than its factorization.

32210400146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132150 (or 132119 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 32210400146 its reverse (64100401223), we get a palindrome (96310801369).

The spelling of 32210400146 in words is "thirty-two billion, two hundred ten million, four hundred thousand, one hundred forty-six".