40667704028 has 48 divisors (see below), whose sum is σ = 87299642304. Its totient is φ = 16179056640.

The previous prime is 40667704001. The next prime is 40667704043. The reversal of 40667704028 is 82040776604.

It is a self number, because there is not a number n which added to its sum of digits gives 40667704028.

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, 550433 + ... + 619928.

It is an arithmetic number, because the mean of its divisors is an integer number (1818742548).

Almost surely, 2^40667704028 is an apocalyptic number.

It is an amenable number.

40667704028 is an abundant number, since it is smaller than the sum of its proper divisors (46631938276).

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

40667704028 is a wasteful number, since it uses less digits than its factorization.

40667704028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170462 (or 1170460 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 40667704028 in words is "forty billion, six hundred sixty-seven million, seven hundred four thousand, twenty-eight".