405242423015152 has 10 divisors (see below), whose sum is σ = 785157194591888. Its totient is φ = 202621211507568.

The previous prime is 405242423015137. The next prime is 405242423015203. The reversal of 405242423015152 is 251510324242504.

It is a super-2 number, since 2×405242423015152² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12663825719208 + ... + 12663825719239.

Almost surely, 2^{405242423015152} is an apocalyptic number.

It is an amenable number.

405242423015152 is a deficient number, since it is larger than the sum of its proper divisors (379914771576736).

405242423015152 is a wasteful number, since it uses less digits than its factorization.

405242423015152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25327651438455 (or 25327651438449 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 405242423015152 its reverse (251510324242504), we get a palindrome (656752747257656).

The spelling of 405242423015152 in words is "four hundred five trillion, two hundred forty-two billion, four hundred twenty-three million, fifteen thousand, one hundred fifty-two".