9940140299895 has 32 divisors (see below), whose sum is σ = 17186082524352. Its totient is φ = 4876905772032.

The previous prime is 9940140299863. The next prime is 9940140299923. The reversal of 9940140299895 is 5989920410499.

It is not a de Polignac number, because 9940140299895 - 2⁵ = 9940140299863 is a prime.

It is a super-2 number, since 2×9940140299895² (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 31 ways as a sum of consecutive naturals, for example, 86931054 + ... + 87045323.

It is an arithmetic number, because the mean of its divisors is an integer number (537065078886).

Almost surely, 2^{9940140299895} is an apocalyptic number.

9940140299895 is a deficient number, since it is larger than the sum of its proper divisors (7245942224457).

9940140299895 is a wasteful number, since it uses less digits than its factorization.

9940140299895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173976691.

The product of its (nonzero) digits is 75582720, while the sum is 69.

The spelling of 9940140299895 in words is "nine trillion, nine hundred forty billion, one hundred forty million, two hundred ninety-nine thousand, eight hundred ninety-five".