346265140221640 has 32 divisors (see below), whose sum is σ = 786660609833280. Its totient is φ = 137161337095872.

The previous prime is 346265140221617. The next prime is 346265140221691. The reversal of 346265140221640 is 46122041562643.

It is a super-2 number, since 2×346265140221640² (a number of 30 digits) contains 22 as substring.

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, 42022464354 + ... + 42022472593.

It is an arithmetic number, because the mean of its divisors is an integer number (24583144057290).

Almost surely, 2^{346265140221640} is an apocalyptic number.

It is an amenable number.

346265140221640 is an abundant number, since it is smaller than the sum of its proper divisors (440395469611640).

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

346265140221640 is a wasteful number, since it uses less digits than its factorization.

346265140221640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84044937061 (or 84044937057 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 346265140221640 in words is "three hundred forty-six trillion, two hundred sixty-five billion, one hundred forty million, two hundred twenty-one thousand, six hundred forty".