3251220367742 has 32 divisors (see below), whose sum is σ = 5296400524800. Its totient is φ = 1490838104448.

The previous prime is 3251220367741. The next prime is 3251220367751. The reversal of 3251220367742 is 2477630221523.

It is a junction number, because it is equal to n+sod(n) for n = 3251220367693 and 3251220367702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3251220367741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041142 + ... + 3266297.

It is an arithmetic number, because the mean of its divisors is an integer number (165512516400).

Almost surely, 2^{3251220367742} is an apocalyptic number.

3251220367742 is a deficient number, since it is larger than the sum of its proper divisors (2045180157058).

3251220367742 is a wasteful number, since it uses less digits than its factorization.

3251220367742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5307920.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 3251220367742 in words is "three trillion, two hundred fifty-one billion, two hundred twenty million, three hundred sixty-seven thousand, seven hundred forty-two".