10440312 has 32 divisors (see below), whose sum is σ = 27637200. Its totient is φ = 3275264.

The previous prime is 10440301. The next prime is 10440341. The reversal of 10440312 is 21304401.

It is a super-3 number, since 3×10440312³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 10440291 and 10440300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12387 + ... + 13202.

Almost surely, 2^10440312 is an apocalyptic number.

10440312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10440312 is an abundant number, since it is smaller than the sum of its proper divisors (17196888).

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

10440312 is a wasteful number, since it uses less digits than its factorization.

10440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25615 (or 25611 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 10440312 is about 3231.1471647079. The cubic root of 10440312 is about 218.5602401162.

Adding to 10440312 its reverse (21304401), we get a palindrome (31744713).

The spelling of 10440312 in words is "ten million, four hundred forty thousand, three hundred twelve".