40251016 has 32 divisors (see below), whose sum is σ = 82272960. Its totient is φ = 18349632.

The previous prime is 40251007. The next prime is 40251017. The reversal of 40251016 is 61015204.

It is a junction number, because it is equal to n+sod(n) for n = 40250984 and 40251002.

It is not an unprimeable number, because it can be changed into a prime (40251017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (2571030).

Almost surely, 2^40251016 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 40251016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41136480).

40251016 is an abundant number, since it is smaller than the sum of its proper divisors (42021944).

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

40251016 is a wasteful number, since it uses less digits than its factorization.

40251016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40251016 is about 6344.3688417367. The cubic root of 40251016 is about 342.7090836243.

It can be divided in two parts, 4025 and 1016, that added together give a square (5041 = 71²).

The spelling of 40251016 in words is "forty million, two hundred fifty-one thousand, sixteen".