36404072728 has 16 divisors (see below), whose sum is σ = 68259852000. Its totient is φ = 18201445536.

The previous prime is 36404072717. The next prime is 36404072759. The reversal of 36404072728 is 82727040463.

It is a super-2 number, since 2×36404072728² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298353 + ... + 402271.

It is an arithmetic number, because the mean of its divisors is an integer number (4266240750).

Almost surely, 2^36404072728 is an apocalyptic number.

It is an amenable number.

36404072728 is a deficient number, since it is larger than the sum of its proper divisors (31855779272).

36404072728 is a wasteful number, since it uses less digits than its factorization.

36404072728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147714 (or 147710 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 36404072728 in words is "thirty-six billion, four hundred four million, seventy-two thousand, seven hundred twenty-eight".