40178903016 has 128 divisors (see below), whose sum is σ = 115399065600. Its totient is φ = 11419660800.

The previous prime is 40178903003. The next prime is 40178903077. The reversal of 40178903016 is 61030987104.

It is a super-2 number, since 2×40178903016² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38670225 + ... + 38671263.

It is an arithmetic number, because the mean of its divisors is an integer number (901555200).

Almost surely, 2^40178903016 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 40178903016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57699532800).

40178903016 is an abundant number, since it is smaller than the sum of its proper divisors (75220162584).

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

40178903016 is a wasteful number, since it uses less digits than its factorization.

40178903016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 40178903016 in words is "forty billion, one hundred seventy-eight million, nine hundred three thousand, sixteen".