40833261 has 64 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 21679488.

The previous prime is 40833259. The next prime is 40833277. The reversal of 40833261 is 16233804.

It is a happy number.

It is not a de Polignac number, because 40833261 - 2¹ = 40833259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40833241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297985 + ... + 298121.

It is an arithmetic number, because the mean of its divisors is an integer number (1159200).

Almost surely, 2^40833261 is an apocalyptic number.

It is an amenable number.

40833261 is a deficient number, since it is larger than the sum of its proper divisors (33355539).

40833261 is a wasteful number, since it uses less digits than its factorization.

40833261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40833261 is about 6390.0908444247. The cubic root of 40833261 is about 344.3536480493.

The spelling of 40833261 in words is "forty million, eight hundred thirty-three thousand, two hundred sixty-one".