3158261040 has 160 divisors (see below), whose sum is σ = 10700315136. Its totient is φ = 764231680.

The previous prime is 3158261017. The next prime is 3158261089. The reversal of 3158261040 is 401628513.

It is a super-2 number, since 2×3158261040² = 19949225593563763200, 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 = 3158260989 and 3158261007.

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, 2594512 + ... + 2595728.

Almost surely, 2^3158261040 is an apocalyptic number.

3158261040 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 3158261040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5350157568).

3158261040 is an abundant number, since it is smaller than the sum of its proper divisors (7542054096).

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

3158261040 is a wasteful number, since it uses less digits than its factorization.

3158261040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 3158261040 is about 56198.4078066274. The cubic root of 3158261040 is about 1467.1775543438.

Adding to 3158261040 its reverse (401628513), we get a palindrome (3559889553).

The spelling of 3158261040 in words is "three billion, one hundred fifty-eight million, two hundred sixty-one thousand, forty".