3969161118040 has 64 divisors (see below), whose sum is σ = 9324906688800. Its totient is φ = 1518591019008.

The previous prime is 3969161118001. The next prime is 3969161118053. The reversal of 3969161118040 is 408111619693.

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, 15865089 + ... + 16113328.

Almost surely, 2^{3969161118040} is an apocalyptic number.

It is an amenable number.

3969161118040 is an abundant number, since it is smaller than the sum of its proper divisors (5355745570760).

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

3969161118040 is a wasteful number, since it uses less digits than its factorization.

3969161118040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31978564 (or 31978560 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 3969161118040 in words is "three trillion, nine hundred sixty-nine billion, one hundred sixty-one million, one hundred eighteen thousand, forty".