10549440 has 280 divisors, whose sum is σ = 42044112. Its totient is φ = 2488320.

The previous prime is 10549439. The next prime is 10549447. The reversal of 10549440 is 4494501.

It is a super-2 number, since 2×10549440² = 222581368627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10549447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285102 + ... + 285138.

Almost surely, 2^10549440 is an apocalyptic number.

10549440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10549440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21022056).

10549440 is an abundant number, since it is smaller than the sum of its proper divisors (31494672).

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

10549440 is a wasteful number, since it uses less digits than its factorization.

10549440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 10549440 is about 3247.9901477683. The cubic root of 10549440 is about 219.3191069528.

10549440 divided by its product of nonzero digits (2880) gives a palindrome (3663).

The spelling of 10549440 in words is "ten million, five hundred forty-nine thousand, four hundred forty".