350299772820 has 48 divisors (see below), whose sum is σ = 1089821517120. Its totient is φ = 93413272608.

The previous prime is 350299772791. The next prime is 350299772821. The reversal of 350299772820 is 28277992053.

350299772820 is a `hidden beast` number, since 3 + 5 + 0 + 299 + 77 + 282 + 0 = 666.

It is a super-2 number, since 2×350299772820² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350299772821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324351102 + ... + 324352181.

It is an arithmetic number, because the mean of its divisors is an integer number (22704614940).

Almost surely, 2^350299772820 is an apocalyptic number.

350299772820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

350299772820 is an abundant number, since it is smaller than the sum of its proper divisors (739521744300).

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

350299772820 is a wasteful number, since it uses less digits than its factorization.

350299772820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648703301 (or 648703293 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 350299772820 in words is "three hundred fifty billion, two hundred ninety-nine million, seven hundred seventy-two thousand, eight hundred twenty".