3471312540 has 96 divisors (see below), whose sum is σ = 10322161920. Its totient is φ = 869170176.

The previous prime is 3471312529. The next prime is 3471312623. The reversal of 3471312540 is 452131743.

It is a happy number.

It is a super-2 number, since 2×3471312540² = 24100021500722503200, which contains 22 as substring.

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 = 3471312498 and 3471312507.

It is a congruent number.

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, 115347 + ... + 142293.

It is an arithmetic number, because the mean of its divisors is an integer number (107522520).

Almost surely, 2^3471312540 is an apocalyptic number.

3471312540 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 3471312540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5161080960).

3471312540 is an abundant number, since it is smaller than the sum of its proper divisors (6850849380).

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

3471312540 is a wasteful number, since it uses less digits than its factorization.

3471312540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27091 (or 27089 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3471312540 is about 58917.8456836297. The cubic root of 3471312540 is about 1514.1349089594.

The spelling of 3471312540 in words is "three billion, four hundred seventy-one million, three hundred twelve thousand, five hundred forty".