401242655674 has 24 divisors (see below), whose sum is σ = 701659576980. Its totient is φ = 171584836416.

The previous prime is 401242655659. The next prime is 401242655677. The reversal of 401242655674 is 476556242104.

It can be written as a sum of positive squares in 2 ways, for example, as 399329205625 + 1913450049 = 631925^2 + 43743^2 .

It is not an unprimeable number, because it can be changed into a prime (401242655677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4434769 + ... + 4524340.

Almost surely, 2^401242655674 is an apocalyptic number.

401242655674 is a deficient number, since it is larger than the sum of its proper divisors (300416921306).

401242655674 is a wasteful number, since it uses less digits than its factorization.

401242655674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959582 (or 8959575 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

Adding to 401242655674 its reverse (476556242104), we get a palindrome (877798897778).

The spelling of 401242655674 in words is "four hundred one billion, two hundred forty-two million, six hundred fifty-five thousand, six hundred seventy-four".