351023155340 has 96 divisors (see below), whose sum is σ = 871027891776. Its totient is φ = 117144714240.

The previous prime is 351023155339. The next prime is 351023155363. The reversal of 351023155340 is 43551320153.

It is a junction number, because it is equal to n+sod(n) for n = 351023155297 and 351023155306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140054 + ... + 849506.

It is an arithmetic number, because the mean of its divisors is an integer number (9073207206).

Almost surely, 2^351023155340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351023155340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435513945888).

351023155340 is an abundant number, since it is smaller than the sum of its proper divisors (520004736436).

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

351023155340 is a wasteful number, since it uses less digits than its factorization.

351023155340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709659 (or 709657 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 351023155340 its reverse (43551320153), we get a palindrome (394574475493).

The spelling of 351023155340 in words is "three hundred fifty-one billion, twenty-three million, one hundred fifty-five thousand, three hundred forty".