10451340 has 72 divisors (see below), whose sum is σ = 32742528. Its totient is φ = 2695680.

The previous prime is 10451327. The next prime is 10451347. The reversal of 10451340 is 4315401.

It is a happy number.

It is a super-3 number, since 3×10451340³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10451347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4644 + ... + 6516.

Almost surely, 2^10451340 is an apocalyptic number.

10451340 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 10451340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16371264).

10451340 is an abundant number, since it is smaller than the sum of its proper divisors (22291188).

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

10451340 is a wasteful number, since it uses less digits than its factorization.

10451340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919 (or 1914 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10451340 is about 3232.8532289604. The cubic root of 10451340 is about 218.6371673885.

Adding to 10451340 its reverse (4315401), we get a palindrome (14766741).

The spelling of 10451340 in words is "ten million, four hundred fifty-one thousand, three hundred forty".