40065057870 has 32 divisors (see below), whose sum is σ = 101812383648. Its totient is φ = 10055543808.

The previous prime is 40065057827. The next prime is 40065057899. The reversal of 40065057870 is 7875056004.

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, 39278959 + ... + 39279978.

It is an arithmetic number, because the mean of its divisors is an integer number (3181636989).

Almost surely, 2^40065057870 is an apocalyptic number.

40065057870 is an abundant number, since it is smaller than the sum of its proper divisors (61747325778).

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

40065057870 is a wasteful number, since it uses less digits than its factorization.

40065057870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78558964.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 40065057870 in words is "forty billion, sixty-five million, fifty-seven thousand, eight hundred seventy".