40543353140 has 24 divisors (see below), whose sum is σ = 88076940840. Its totient is φ = 15658122368.

The previous prime is 40543353133. The next prime is 40543353187. The reversal of 40543353140 is 4135334504.

It can be written as a sum of positive squares in 4 ways, for example, as 1348064656 + 39195288484 = 36716^2 + 197978^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40543353097 and 40543353106.

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, 34950587 + ... + 34951746.

It is an arithmetic number, because the mean of its divisors is an integer number (3669872535).

Almost surely, 2^40543353140 is an apocalyptic number.

It is an amenable number.

40543353140 is an abundant number, since it is smaller than the sum of its proper divisors (47533587700).

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

40543353140 is a wasteful number, since it uses less digits than its factorization.

40543353140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69902371 (or 69902369 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 40543353140 its reverse (4135334504), we get a palindrome (44678687644).

The spelling of 40543353140 in words is "forty billion, five hundred forty-three million, three hundred fifty-three thousand, one hundred forty".