41289240 has 64 divisors (see below), whose sum is σ = 124356960. Its totient is φ = 10967040.

The previous prime is 41289239. The next prime is 41289317. The reversal of 41289240 is 4298214.

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 = 41289198 and 41289207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39930 + ... + 40950.

Almost surely, 2^41289240 is an apocalyptic number.

41289240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41289240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62178480).

41289240 is an abundant number, since it is smaller than the sum of its proper divisors (83067720).

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

41289240 is a wasteful number, since it uses less digits than its factorization.

41289240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1368 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 41289240 is about 6425.6703930407. The cubic root of 41289240 is about 345.6306883971.

The spelling of 41289240 in words is "forty-one million, two hundred eighty-nine thousand, two hundred forty".