40328700672 has 72 divisors (see below), whose sum is σ = 115589581744. Its totient is φ = 12408827904.

The previous prime is 40328700661. The next prime is 40328700689. The reversal of 40328700672 is 27600782304.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 40328700672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009683 + ... + 2029650.

Almost surely, 2^40328700672 is an apocalyptic number.

It is an amenable number.

40328700672 is an abundant number, since it is smaller than the sum of its proper divisors (75260881072).

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

40328700672 is a wasteful number, since it uses less digits than its factorization.

40328700672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039365 (or 4039351 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 40328700672 in words is "forty billion, three hundred twenty-eight million, seven hundred thousand, six hundred seventy-two".