401415232442 has 64 divisors (see below), whose sum is σ = 709296445440. Its totient is φ = 166845096000.

The previous prime is 401415232433. The next prime is 401415232457. The reversal of 401415232442 is 244232514104.

It is a super-2 number, since 2×401415232442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401415232399 and 401415232408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16946267 + ... + 16969937.

It is an arithmetic number, because the mean of its divisors is an integer number (11082756960).

Almost surely, 2^401415232442 is an apocalyptic number.

401415232442 is a deficient number, since it is larger than the sum of its proper divisors (307881212998).

401415232442 is a wasteful number, since it uses less digits than its factorization.

401415232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 401415232442 its reverse (244232514104), we get a palindrome (645647746546).

The spelling of 401415232442 in words is "four hundred one billion, four hundred fifteen million, two hundred thirty-two thousand, four hundred forty-two".