401216074442 has 16 divisors (see below), whose sum is σ = 602730549960. Its totient is φ = 200305999872.

The previous prime is 401216074409. The next prime is 401216074459. The reversal of 401216074442 is 244470612104.

It can be written as a sum of positive squares in 4 ways, for example, as 319723524481 + 81492549961 = 565441^2 + 285469^2 .

It is a super-2 number, since 2×401216074442² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8301098 + ... + 8349290.

Almost surely, 2^401216074442 is an apocalyptic number.

401216074442 is a deficient number, since it is larger than the sum of its proper divisors (201514475518).

401216074442 is a wasteful number, since it uses less digits than its factorization.

401216074442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54377.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 401216074442 its reverse (244470612104), we get a palindrome (645686686546).

The spelling of 401216074442 in words is "four hundred one billion, two hundred sixteen million, seventy-four thousand, four hundred forty-two".