40503352140 has 72 divisors (see below), whose sum is σ = 124415403840. Its totient is φ = 10664169984.

The previous prime is 40503352139. The next prime is 40503352147. The reversal of 40503352140 is 4125330504.

It is not an unprimeable number, because it can be changed into a prime (40503352147) 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, 1409949 + ... + 1438388.

It is an arithmetic number, because the mean of its divisors is an integer number (1727991720).

Almost surely, 2^40503352140 is an apocalyptic number.

It is an amenable number.

40503352140 is an abundant number, since it is smaller than the sum of its proper divisors (83912051700).

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

40503352140 is a wasteful number, since it uses less digits than its factorization.

40503352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848431 (or 2848426 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 40503352140 its reverse (4125330504), we get a palindrome (44628682644).

The spelling of 40503352140 in words is "forty billion, five hundred three million, three hundred fifty-two thousand, one hundred forty".