41531890 has 16 divisors (see below), whose sum is σ = 75782808. Its totient is φ = 16384896.

The previous prime is 41531869. The next prime is 41531899. The reversal of 41531890 is 9813514.

It can be written as a sum of positive squares in 4 ways, for example, as 27175369 + 14356521 = 5213^2 + 3789^2 .

It is not an unprimeable number, because it can be changed into a prime (41531899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27717 + ... + 29176.

Almost surely, 2^41531890 is an apocalyptic number.

41531890 is a deficient number, since it is larger than the sum of its proper divisors (34250918).

41531890 is a wasteful number, since it uses less digits than its factorization.

41531890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56973.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 41531890 is about 6444.5240320756. The cubic root of 41531890 is about 346.3064377326.

The spelling of 41531890 in words is "forty-one million, five hundred thirty-one thousand, eight hundred ninety".