40078614688 has 72 divisors (see below), whose sum is σ = 92263462452. Its totient is φ = 17087422464.

The previous prime is 40078614679. The next prime is 40078614691. The reversal of 40078614688 is 88641687004.

It can be written as a sum of positive squares in 2 ways, for example, as 39399074064 + 679540624 = 198492^2 + 26068^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236406 + ... + 368842.

Almost surely, 2^40078614688 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 40078614688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46131731226).

40078614688 is an abundant number, since it is smaller than the sum of its proper divisors (52184847764).

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

40078614688 is a wasteful number, since it uses less digits than its factorization.

40078614688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132654 (or 132639 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 40078614688 in words is "forty billion, seventy-eight million, six hundred fourteen thousand, six hundred eighty-eight".