352122231540 has 96 divisors (see below), whose sum is σ = 988145948160. Its totient is φ = 93689640576.

The previous prime is 352122231521. The next prime is 352122231569. The reversal of 352122231540 is 45132221253.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 352122231498 and 352122231507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59447019 + ... + 59452941.

It is an arithmetic number, because the mean of its divisors is an integer number (10293186960).

Almost surely, 2^352122231540 is an apocalyptic number.

352122231540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352122231540 is an abundant number, since it is smaller than the sum of its proper divisors (636023716620).

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

352122231540 is a wasteful number, since it uses less digits than its factorization.

352122231540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981 (or 7979 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 352122231540 its reverse (45132221253), we get a palindrome (397254452793).

The spelling of 352122231540 in words is "three hundred fifty-two billion, one hundred twenty-two million, two hundred thirty-one thousand, five hundred forty".