41401620 has 108 divisors (see below), whose sum is σ = 136088316. Its totient is φ = 10183680.

The previous prime is 41401603. The next prime is 41401621. The reversal of 41401620 is 2610414.

41401620 is a `hidden beast` number, since 4 + 1 + 40 + 1 + 620 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 14837904 + 26563716 = 3852^2 + 5154^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 41401593 and 41401602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41401621) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29740 + ... + 31100.

It is an arithmetic number, because the mean of its divisors is an integer number (1260077).

Almost surely, 2^41401620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41401620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68044158).

41401620 is an abundant number, since it is smaller than the sum of its proper divisors (94686696).

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

41401620 is a wasteful number, since it uses less digits than its factorization.

41401620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 41401620 is about 6434.4090637758. The cubic root of 41401620 is about 345.9439805951.

The spelling of 41401620 in words is "forty-one million, four hundred one thousand, six hundred twenty".