41999988 has 12 divisors (see below), whose sum is σ = 98000000. Its totient is φ = 13999992.

The previous prime is 41999987. The next prime is 42000011. The reversal of 41999988 is 88999914.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41999987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749988 + ... + 1750011.

Almost surely, 2^41999988 is an apocalyptic number.

It is an amenable number.

41999988 is an abundant number, since it is smaller than the sum of its proper divisors (56000012).

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

41999988 is a wasteful number, since it uses less digits than its factorization.

41999988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500006 (or 3500004 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 57.

The square root of 41999988 is about 6480.7397725877. The cubic root of 41999988 is about 347.6026313836.

The spelling of 41999988 in words is "forty-one million, nine hundred ninety-nine thousand, nine hundred eighty-eight".