10451440 has 20 divisors (see below), whose sum is σ = 24299784. Its totient is φ = 4180544.

The previous prime is 10451431. The next prime is 10451461. The reversal of 10451440 is 4415401.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65242 + ... + 65401.

Almost surely, 2^10451440 is an apocalyptic number.

10451440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10451440 is an abundant number, since it is smaller than the sum of its proper divisors (13848344).

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

10451440 is a wasteful number, since it uses less digits than its factorization.

10451440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130656 (or 130650 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 10451440 is about 3232.8686951375. The cubic root of 10451440 is about 218.6378647041.

Adding to 10451440 its reverse (4415401), we get a palindrome (14866841).

It can be divided in two parts, 1045 and 1440, that added together give a triangular number (2485 = T₇₀).

The spelling of 10451440 in words is "ten million, four hundred fifty-one thousand, four hundred forty".