353640620064 has 48 divisors (see below), whose sum is σ = 948057844608. Its totient is φ = 115372115712.

The previous prime is 353640620041. The next prime is 353640620077. The reversal of 353640620064 is 460026046353.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39184387 + ... + 39193410.

It is an arithmetic number, because the mean of its divisors is an integer number (19751205096).

Almost surely, 2^353640620064 is an apocalyptic number.

It is an amenable number.

353640620064 is an abundant number, since it is smaller than the sum of its proper divisors (594417224544).

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

353640620064 is a wasteful number, since it uses less digits than its factorization.

353640620064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78377857 (or 78377849 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 353640620064 in words is "three hundred fifty-three billion, six hundred forty million, six hundred twenty thousand, sixty-four".