40387869670 has 16 divisors (see below), whose sum is σ = 72700835760. Its totient is φ = 16154554464.

The previous prime is 40387869667. The next prime is 40387869701. The reversal of 40387869670 is 7696878304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303016 + ... + 415444.

It is an arithmetic number, because the mean of its divisors is an integer number (4543802235).

Almost surely, 2^40387869670 is an apocalyptic number.

40387869670 is a deficient number, since it is larger than the sum of its proper divisors (32312966090).

40387869670 is a wasteful number, since it uses less digits than its factorization.

40387869670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148359.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 40387869670 in words is "forty billion, three hundred eighty-seven million, eight hundred sixty-nine thousand, six hundred seventy".