41398240 has 72 divisors (see below), whose sum is σ = 105974568. Its totient is φ = 15275520.

The previous prime is 41398223. The next prime is 41398243. The reversal of 41398240 is 4289314.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41398243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26275 + ... + 27805.

It is an arithmetic number, because the mean of its divisors is an integer number (1471869).

Almost surely, 2^41398240 is an apocalyptic number.

41398240 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 41398240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52987284).

41398240 is an abundant number, since it is smaller than the sum of its proper divisors (64576328).

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

41398240 is a wasteful number, since it uses less digits than its factorization.

41398240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 41398240 is about 6434.1464080327. The cubic root of 41398240 is about 345.9345661287.

The spelling of 41398240 in words is "forty-one million, three hundred ninety-eight thousand, two hundred forty".