32402249280 has 168 divisors, whose sum is σ = 111774866112. Its totient is φ = 8615433216.

The previous prime is 32402249263. The next prime is 32402249309. The reversal of 32402249280 is 8294220423.

32402249280 is a `hidden beast` number, since 3 + 2 + 402 + 249 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 983149 + ... + 1015571.

It is an arithmetic number, because the mean of its divisors is an integer number (665326584).

Almost surely, 2^32402249280 is an apocalyptic number.

32402249280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32402249280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55887433056).

32402249280 is an abundant number, since it is smaller than the sum of its proper divisors (79372616832).

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

32402249280 is a wasteful number, since it uses less digits than its factorization.

32402249280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32793 (or 32780 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 32402249280 in words is "thirty-two billion, four hundred two million, two hundred forty-nine thousand, two hundred eighty".