401542452524 has 12 divisors (see below), whose sum is σ = 703147738944. Its totient is φ = 200643098544.

The previous prime is 401542452497. The next prime is 401542452587. The reversal of 401542452524 is 425254245104.

It is a super-2 number, since 2×401542452524² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 32024879 + ... + 32037414.

It is an arithmetic number, because the mean of its divisors is an integer number (58595644912).

Almost surely, 2^401542452524 is an apocalyptic number.

It is an amenable number.

401542452524 is a deficient number, since it is larger than the sum of its proper divisors (301605286420).

401542452524 is a wasteful number, since it uses less digits than its factorization.

401542452524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64063864 (or 64063862 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 401542452524 its reverse (425254245104), we get a palindrome (826796697628).

The spelling of 401542452524 in words is "four hundred one billion, five hundred forty-two million, four hundred fifty-two thousand, five hundred twenty-four".