10551144040 has 64 divisors (see below), whose sum is σ = 23887852560. Its totient is φ = 4194263040.

The previous prime is 10551143957. The next prime is 10551144041. The reversal of 10551144040 is 4044115501.

It can be written as a sum of positive squares in 8 ways, for example, as 8081650404 + 2469493636 = 89898^2 + 49694^2 .

It is a super-2 number, since 2×10551144040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10551143996 and 10551144014.

It is not an unprimeable number, because it can be changed into a prime (10551144041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7986580 + ... + 7987900.

Almost surely, 2^10551144040 is an apocalyptic number.

10551144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10551144040 is an abundant number, since it is smaller than the sum of its proper divisors (13336708520).

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

10551144040 is a wasteful number, since it uses less digits than its factorization.

10551144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 10551144040 its reverse (4044115501), we get a palindrome (14595259541).

The spelling of 10551144040 in words is "ten billion, five hundred fifty-one million, one hundred forty-four thousand, forty".