32104126440 has 160 divisors (see below), whose sum is σ = 110201921280. Its totient is φ = 8378909568.

The previous prime is 32104126399. The next prime is 32104126477. The reversal of 32104126440 is 4462140123.

It is a happy number.

32104126440 is a `hidden beast` number, since 3 + 2 + 1 + 0 + 4 + 12 + 644 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 46869 + ... + 257691.

It is an arithmetic number, because the mean of its divisors is an integer number (688762008).

Almost surely, 2^32104126440 is an apocalyptic number.

32104126440 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 32104126440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55100960640).

32104126440 is an abundant number, since it is smaller than the sum of its proper divisors (78097794840).

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

32104126440 is a wasteful number, since it uses less digits than its factorization.

32104126440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210893 (or 210880 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 32104126440 its reverse (4462140123), we get a palindrome (36566266563).

The spelling of 32104126440 in words is "thirty-two billion, one hundred four million, one hundred twenty-six thousand, four hundred forty".