40377721006 has 16 divisors (see below), whose sum is σ = 69225943680. Its totient is φ = 17302989240.

The previous prime is 40377720967. The next prime is 40377721031. The reversal of 40377721006 is 60012777304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061 + ... + 284191.

It is an arithmetic number, because the mean of its divisors is an integer number (4326621480).

Almost surely, 2^40377721006 is an apocalyptic number.

40377721006 is a deficient number, since it is larger than the sum of its proper divisors (28848222674).

40377721006 is a wasteful number, since it uses less digits than its factorization.

40377721006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291399.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 40377721006 in words is "forty billion, three hundred seventy-seven million, seven hundred twenty-one thousand, six".