41999616 has 54 divisors (see below), whose sum is σ = 121101890. Its totient is φ = 13999104.

The previous prime is 41999611. The next prime is 41999651. The reversal of 41999616 is 61699914.

It can be written as a sum of positive squares in only one way, i.e., 41990400 + 9216 = 6480^2 + 96^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41999611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6811 + ... + 11418.

Almost surely, 2^41999616 is an apocalyptic number.

It is an amenable number.

41999616 is an abundant number, since it is smaller than the sum of its proper divisors (79102274).

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

41999616 is a wasteful number, since it uses less digits than its factorization.

41999616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251 (or 18234 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 41999616 is about 6480.7110720970. The cubic root of 41999616 is about 347.6016051249.

The spelling of 41999616 in words is "forty-one million, nine hundred ninety-nine thousand, six hundred sixteen".