401023100544 has 256 divisors, whose sum is σ = 1224332928000. Its totient is φ = 115021209600.

The previous prime is 401023100521. The next prime is 401023100551. The reversal of 401023100544 is 445001320104.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 146947372 + ... + 146950100.

It is an arithmetic number, because the mean of its divisors is an integer number (4782550500).

Almost surely, 2^401023100544 is an apocalyptic number.

401023100544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401023100544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612166464000).

401023100544 is an abundant number, since it is smaller than the sum of its proper divisors (823309827456).

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

401023100544 is a wasteful number, since it uses less digits than its factorization.

401023100544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 401023100544 its reverse (445001320104), we get a palindrome (846024420648).

The spelling of 401023100544 in words is "four hundred one billion, twenty-three million, one hundred thousand, five hundred forty-four".