10540639919990 has 16 divisors (see below), whose sum is σ = 19414387946448. Its totient is φ = 4118203503456.

The previous prime is 10540639919981. The next prime is 10540639920007. The reversal of 10540639919990 is 9991993604501.

It is a super-2 number, since 2×10540639919990² (a number of 27 digits) contains 22 as substring.

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, 12256557617 + ... + 12256558476.

It is an arithmetic number, because the mean of its divisors is an integer number (1213399246653).

Almost surely, 2^{10540639919990} is an apocalyptic number.

10540639919990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10540639919990 is a deficient number, since it is larger than the sum of its proper divisors (8873748026458).

10540639919990 is a wasteful number, since it uses less digits than its factorization.

10540639919990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24513116143.

The product of its (nonzero) digits is 21257640, while the sum is 65.

The spelling of 10540639919990 in words is "ten trillion, five hundred forty billion, six hundred thirty-nine million, nine hundred nineteen thousand, nine hundred ninety".