32042100402 has 48 divisors (see below), whose sum is σ = 77176689408. Its totient is φ = 9541069920.

The previous prime is 32042100367. The next prime is 32042100407. The reversal of 32042100402 is 20400124023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (32042100407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201328 + ... + 2215835.

It is an arithmetic number, because the mean of its divisors is an integer number (1607847696).

Almost surely, 2^32042100402 is an apocalyptic number.

32042100402 is an abundant number, since it is smaller than the sum of its proper divisors (45134589006).

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

32042100402 is a wasteful number, since it uses less digits than its factorization.

32042100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417215 (or 4417212 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 32042100402 its reverse (20400124023), we get a palindrome (52442224425).

The spelling of 32042100402 in words is "thirty-two billion, forty-two million, one hundred thousand, four hundred two".