3142656401240 has 16 divisors (see below), whose sum is σ = 7070976902880. Its totient is φ = 1257062560480.

The previous prime is 3142656401231. The next prime is 3142656401243. The reversal of 3142656401240 is 421046562413.

It is a junction number, because it is equal to n+sod(n) for n = 3142656401194 and 3142656401203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142656401243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39283204976 + ... + 39283205055.

It is an arithmetic number, because the mean of its divisors is an integer number (441936056430).

Almost surely, 2^{3142656401240} is an apocalyptic number.

It is an amenable number.

3142656401240 is an abundant number, since it is smaller than the sum of its proper divisors (3928320501640).

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

3142656401240 is a wasteful number, since it uses less digits than its factorization.

3142656401240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78566410042 (or 78566410038 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 3142656401240 in words is "three trillion, one hundred forty-two billion, six hundred fifty-six million, four hundred one thousand, two hundred forty".