355120768 has 16 divisors (see below), whose sum is σ = 707467410. Its totient is φ = 177560320.

The previous prime is 355120763. The next prime is 355120813. The reversal of 355120768 is 867021553.

It can be written as a sum of positive squares in only one way, i.e., 350138944 + 4981824 = 18712^2 + 2232^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×355120768² = 252221519729819648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355120763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1387063 + ... + 1387318.

Almost surely, 2^355120768 is an apocalyptic number.

It is an amenable number.

355120768 is a deficient number, since it is larger than the sum of its proper divisors (352346642).

355120768 is an equidigital number, since it uses as much as digits as its factorization.

355120768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774395 (or 2774383 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 355120768 is about 18844.6482588559. The cubic root of 355120768 is about 708.1501591345.

The spelling of 355120768 in words is "three hundred fifty-five million, one hundred twenty thousand, seven hundred sixty-eight".