10401244440 has 64 divisors (see below), whose sum is σ = 31360608000. Its totient is φ = 2759720832.

The previous prime is 10401244409. The next prime is 10401244457. The reversal of 10401244440 is 4444210401.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10401244440.

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, 193902 + ... + 241661.

It is an arithmetic number, because the mean of its divisors is an integer number (490009500).

Almost surely, 2^10401244440 is an apocalyptic number.

10401244440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401244440 is an abundant number, since it is smaller than the sum of its proper divisors (20959363560).

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

10401244440 is a wasteful number, since it uses less digits than its factorization.

10401244440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435776 (or 435772 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 10401244440 its reverse (4444210401), we get a palindrome (14845454841).

The spelling of 10401244440 in words is "ten billion, four hundred one million, two hundred forty-four thousand, four hundred forty".