3142220040 has 80 divisors (see below), whose sum is σ = 10561361580. Its totient is φ = 837924480.

The previous prime is 3142220021. The next prime is 3142220051. The reversal of 3142220040 is 400222413.

3142220040 is a `hidden beast` number, since 3 + 1 + 422 + 200 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2633537124 + 508682916 = 51318^2 + 22554^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3142219995 and 3142220022.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 481671 + ... + 488150.

Almost surely, 2^3142220040 is an apocalyptic number.

3142220040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142220040 is an abundant number, since it is smaller than the sum of its proper divisors (7419141540).

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

3142220040 is a wasteful number, since it uses less digits than its factorization.

3142220040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969844 (or 969831 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 3142220040 is about 56055.5085607115. The cubic root of 3142220040 is about 1464.6893756817.

Adding to 3142220040 its reverse (400222413), we get a palindrome (3542442453).

The spelling of 3142220040 in words is "three billion, one hundred forty-two million, two hundred twenty thousand, forty".