401004322402440 has 128 divisors (see below), whose sum is σ = 1269635785113600. Its totient is φ = 101041847458560.

The previous prime is 401004322402403. The next prime is 401004322402471. The reversal of 401004322402440 is 44204223400104.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 401004322402398 and 401004322402407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228733926 + ... + 230480405.

It is an arithmetic number, because the mean of its divisors is an integer number (9919029571200).

Almost surely, 2^{401004322402440} is an apocalyptic number.

401004322402440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401004322402440 is an abundant number, since it is smaller than the sum of its proper divisors (868631462711160).

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

401004322402440 is a wasteful number, since it uses less digits than its factorization.

401004322402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459214747 (or 459214743 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 401004322402440 its reverse (44204223400104), we get a palindrome (445208545802544).

The spelling of 401004322402440 in words is "four hundred one trillion, four billion, three hundred twenty-two million, four hundred two thousand, four hundred forty".