10543031440 has 40 divisors (see below), whose sum is σ = 25954466040. Its totient is φ = 3969140736.

The previous prime is 10543031381. The next prime is 10543031501. The reversal of 10543031440 is 4413034501.

It can be written as a sum of positive squares in 4 ways, for example, as 92467456 + 10450563984 = 9616^2 + 102228^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×10543031440² (a number of 21 digits) contains 22 as substring.

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, 3874755 + ... + 3877474.

It is an arithmetic number, because the mean of its divisors is an integer number (648861651).

Almost surely, 2^10543031440 is an apocalyptic number.

10543031440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10543031440 is an abundant number, since it is smaller than the sum of its proper divisors (15411434600).

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

10543031440 is a wasteful number, since it uses less digits than its factorization.

10543031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7752259 (or 7752253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 10543031440 its reverse (4413034501), we get a palindrome (14956065941).

The spelling of 10543031440 in words is "ten billion, five hundred forty-three million, thirty-one thousand, four hundred forty".