It is a happy number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 241440398 is an apocalyptic number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
41440398 is a wasteful number, since it uses less digits than its factorization.
41440398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87511.
The square root of 41440398 is about 6437.4216888441. The cubic root of 41440398 is about 346.0519540637.
The spelling of 41440398 in words is "forty-one million, four hundred forty thousand, three hundred ninety-eight".