10440551 has 16 divisors (see below), whose sum is σ = 12303360. Its totient is φ = 8759520.

The previous prime is 10440541. The next prime is 10440553. The reversal of 10440551 is 15504401.

It is not a de Polignac number, because 10440551 - 2¹⁸ = 10178407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6626 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (768960).

Almost surely, 2^10440551 is an apocalyptic number.

10440551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10440551 is a deficient number, since it is larger than the sum of its proper divisors (1862809).

10440551 is a wasteful number, since it uses less digits than its factorization.

10440551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 10440551 is about 3231.1841482652. The cubic root of 10440551 is about 218.5619078664.

Adding to 10440551 its reverse (15504401), we get a palindrome (25944952).

The spelling of 10440551 in words is "ten million, four hundred forty thousand, five hundred fifty-one".