3402130221556 has 24 divisors (see below), whose sum is σ = 6495139699776. Its totient is φ = 1546383822720.

The previous prime is 3402130221547. The next prime is 3402130221557. The reversal of 3402130221556 is 6551220312043.

3402130221556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3402130221556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402130221557) 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, 826540 + ... + 2736316.

It is an arithmetic number, because the mean of its divisors is an integer number (270630820824).

Almost surely, 2^{3402130221556} is an apocalyptic number.

It is an amenable number.

3402130221556 is a deficient number, since it is larger than the sum of its proper divisors (3093009478220).

3402130221556 is a wasteful number, since it uses less digits than its factorization.

3402130221556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950279 (or 1950277 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 3402130221556 its reverse (6551220312043), we get a palindrome (9953350533599).

The spelling of 3402130221556 in words is "three trillion, four hundred two billion, one hundred thirty million, two hundred twenty-one thousand, five hundred fifty-six".