32106147240 has 128 divisors (see below), whose sum is σ = 96816384000. Its totient is φ = 8517512448.

The previous prime is 32106147223. The next prime is 32106147277. The reversal of 32106147240 is 4274160123.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 32106147198 and 32106147207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34935501 + ... + 34936419.

It is an arithmetic number, because the mean of its divisors is an integer number (756378000).

Almost surely, 2^32106147240 is an apocalyptic number.

32106147240 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 32106147240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48408192000).

32106147240 is an abundant number, since it is smaller than the sum of its proper divisors (64710236760).

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

32106147240 is a wasteful number, since it uses less digits than its factorization.

32106147240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119 (or 2115 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 32106147240 in words is "thirty-two billion, one hundred six million, one hundred forty-seven thousand, two hundred forty".