1405152352 has 12 divisors (see below), whose sum is σ = 2766393756. Its totient is φ = 702576160.

The previous prime is 1405152349. The next prime is 1405152361. The reversal of 1405152352 is 2532515041.

It is a super-2 number, since 2×1405152352² = 3948906264662263808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1405152352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21955474 + ... + 21955537.

It is an arithmetic number, because the mean of its divisors is an integer number (230532813).

Almost surely, 2^1405152352 is an apocalyptic number.

It is an amenable number.

1405152352 is a deficient number, since it is larger than the sum of its proper divisors (1361241404).

1405152352 is an equidigital number, since it uses as much as digits as its factorization.

1405152352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43911021 (or 43911013 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1405152352 is about 37485.3618363222. The cubic root of 1405152352 is about 1120.0596141738.

Adding to 1405152352 its reverse (2532515041), we get a palindrome (3937667393).

The spelling of 1405152352 in words is "one billion, four hundred five million, one hundred fifty-two thousand, three hundred fifty-two".