3287142403240 has 32 divisors (see below), whose sum is σ = 7410266366760. Its totient is φ = 1312333235200.

The previous prime is 3287142403213. The next prime is 3287142403249. The reversal of 3287142403240 is 423042417823.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1342618133796 + 1944524269444 = 1158714^2 + 1394462^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 3287142403193 and 3287142403202.

It is not an unprimeable number, because it can be changed into a prime (3287142403249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78845341 + ... + 78887020.

Almost surely, 2^{3287142403240} is an apocalyptic number.

It is an amenable number.

3287142403240 is an abundant number, since it is smaller than the sum of its proper divisors (4123123963520).

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

3287142403240 is a wasteful number, since it uses less digits than its factorization.

3287142403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157732893 (or 157732889 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 3287142403240 in words is "three trillion, two hundred eighty-seven billion, one hundred forty-two million, four hundred three thousand, two hundred forty".