10405226544440 has 64 divisors (see below), whose sum is σ = 28814473517760. Its totient is φ = 3293082685440.

The previous prime is 10405226544431. The next prime is 10405226544457. The reversal of 10405226544440 is 4444562250401.

It is a super-2 number, since 2×10405226544440² (a number of 27 digits) contains 22 as substring.

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, 1429285721 + ... + 1429293000.

It is an arithmetic number, because the mean of its divisors is an integer number (450226148715).

Almost surely, 2^{10405226544440} is an apocalyptic number.

10405226544440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10405226544440 is an abundant number, since it is smaller than the sum of its proper divisors (18409246973320).

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

10405226544440 is a wasteful number, since it uses less digits than its factorization.

10405226544440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858578752 (or 2858578748 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 10405226544440 its reverse (4444562250401), we get a palindrome (14849788794841).

The spelling of 10405226544440 in words is "ten trillion, four hundred five billion, two hundred twenty-six million, five hundred forty-four thousand, four hundred forty".