41649228 has 90 divisors (see below), whose sum is σ = 114287404. Its totient is φ = 13279464.

The previous prime is 41649199. The next prime is 41649229. The reversal of 41649228 is 82294614.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

41649228 is a `hidden beast` number, since 4 + 1 + 649 + 2 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 41649192 and 41649201.

It is not an unprimeable number, because it can be changed into a prime (41649229) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1810825 + ... + 1810847.

Almost surely, 2^41649228 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 41649228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57143702).

41649228 is an abundant number, since it is smaller than the sum of its proper divisors (72638176).

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

41649228 is an frugal number, since it uses more digits than its factorization.

41649228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 28 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 41649228 is about 6453.6213090016. The cubic root of 41649228 is about 346.6322652418.

Multiplying 41649228 by its product of digits (27648), we get a square (1151517855744 = 1073088²).

The spelling of 41649228 in words is "forty-one million, six hundred forty-nine thousand, two hundred twenty-eight".