40678888192 has 72 divisors (see below), whose sum is σ = 86177828016. Its totient is φ = 19097911296.

The previous prime is 40678888163. The next prime is 40678888213. The reversal of 40678888192 is 29188887604.

It is a self number, because there is not a number n which added to its sum of digits gives 40678888192.

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, 1873623 + ... + 1895209.

It is an arithmetic number, because the mean of its divisors is an integer number (1196914278).

Almost surely, 2^40678888192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40678888192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43088914008).

40678888192 is an abundant number, since it is smaller than the sum of its proper divisors (45498939824).

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

40678888192 is a wasteful number, since it uses less digits than its factorization.

40678888192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22053 (or 22039 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 61.

The spelling of 40678888192 in words is "forty billion, six hundred seventy-eight million, eight hundred eighty-eight thousand, one hundred ninety-two".