3172151040 has 144 divisors (see below), whose sum is σ = 10727222688. Its totient is φ = 796131328.

The previous prime is 3172151039. The next prime is 3172151041. The reversal of 3172151040 is 401512713.

It is an interprime number because it is at equal distance from previous prime (3172151039) and next prime (3172151041).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3172151040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3172151041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40984 + ... + 89576.

It is an arithmetic number, because the mean of its divisors is an integer number (74494602).

Almost surely, 2^3172151040 is an apocalyptic number.

3172151040 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 3172151040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5363611344).

3172151040 is an abundant number, since it is smaller than the sum of its proper divisors (7555071648).

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

3172151040 is a wasteful number, since it uses less digits than its factorization.

3172151040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48634 (or 48620 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 3172151040 is about 56321.8522422692. The cubic root of 3172151040 is about 1469.3252861777.

Adding to 3172151040 its reverse (401512713), we get a palindrome (3573663753).

The spelling of 3172151040 in words is "three billion, one hundred seventy-two million, one hundred fifty-one thousand, forty".