401022254064 has 80 divisors (see below), whose sum is σ = 1072832477184. Its totient is φ = 128945913600.

The previous prime is 401022254053. The next prime is 401022254099. The reversal of 401022254064 is 460452220104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29482 + ... + 896054.

Almost surely, 2^401022254064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401022254064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536416238592).

401022254064 is an abundant number, since it is smaller than the sum of its proper divisors (671810223120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401022254064 is a wasteful number, since it uses less digits than its factorization.

401022254064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866926 (or 866920 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 401022254064 its reverse (460452220104), we get a palindrome (861474474168).

The spelling of 401022254064 in words is "four hundred one billion, twenty-two million, two hundred fifty-four thousand, sixty-four".