10451540 has 24 divisors (see below), whose sum is σ = 23944032. Its totient is φ = 3800480.

The previous prime is 10451527. The next prime is 10451543. The reversal of 10451540 is 4515401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10451543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23534 + ... + 23973.

It is an arithmetic number, because the mean of its divisors is an integer number (997668).

Almost surely, 2^10451540 is an apocalyptic number.

10451540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10451540 is an abundant number, since it is smaller than the sum of its proper divisors (13492492).

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

10451540 is a wasteful number, since it uses less digits than its factorization.

10451540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47527 (or 47525 counting only the distinct ones).

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

The square root of 10451540 is about 3232.8841612405. The cubic root of 10451540 is about 218.6385620152.

Adding to 10451540 its reverse (4515401), we get a palindrome (14966941).

The spelling of 10451540 in words is "ten million, four hundred fifty-one thousand, five hundred forty".