3426640136620 has 48 divisors (see below), whose sum is σ = 7622884019520. Its totient is φ = 1289411426304.

The previous prime is 3426640136573. The next prime is 3426640136653. The reversal of 3426640136620 is 266310466243.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1701984 + ... + 3122503.

It is an arithmetic number, because the mean of its divisors is an integer number (158810083740).

Almost surely, 2^{3426640136620} is an apocalyptic number.

It is an amenable number.

3426640136620 is an abundant number, since it is smaller than the sum of its proper divisors (4196243882900).

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

3426640136620 is a wasteful number, since it uses less digits than its factorization.

3426640136620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826602 (or 4826600 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 3426640136620 in words is "three trillion, four hundred twenty-six billion, six hundred forty million, one hundred thirty-six thousand, six hundred twenty".