40616940 has 192 divisors, whose sum is σ = 144055296. Its totient is φ = 8322048.

The previous prime is 40616929. The next prime is 40616951. The reversal of 40616940 is 4961604.

It is an interprime number because it is at equal distance from previous prime (40616929) and next prime (40616951).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40616898 and 40616907.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234694 + ... + 234866.

It is an arithmetic number, because the mean of its divisors is an integer number (750288).

Almost surely, 2^40616940 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 40616940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72027648).

40616940 is an abundant number, since it is smaller than the sum of its proper divisors (103438356).

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

40616940 is a wasteful number, since it uses less digits than its factorization.

40616940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 40616940 is about 6373.1420822072. The cubic root of 40616940 is about 343.7444807929.

The spelling of 40616940 in words is "forty million, six hundred sixteen thousand, nine hundred forty".