10540203540 has 48 divisors (see below), whose sum is σ = 29621518080. Its totient is φ = 2800344960.

The previous prime is 10540203493. The next prime is 10540203581. The reversal of 10540203540 is 4530204501.

It is a super-2 number, since 2×10540203540² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10540203540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307855 + ... + 340374.

It is an arithmetic number, because the mean of its divisors is an integer number (617114960).

Almost surely, 2^10540203540 is an apocalyptic number.

10540203540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10540203540 is an abundant number, since it is smaller than the sum of its proper divisors (19081314540).

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

10540203540 is a wasteful number, since it uses less digits than its factorization.

10540203540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648512 (or 648510 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 10540203540 in words is "ten billion, five hundred forty million, two hundred three thousand, five hundred forty".