40833280 has 144 divisors (see below), whose sum is σ = 108904320. Its totient is φ = 14598144.

The previous prime is 40833277. The next prime is 40833281. The reversal of 40833280 is 8233804.

It is not an unprimeable number, because it can be changed into a prime (40833281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559324 + ... + 559396.

It is an arithmetic number, because the mean of its divisors is an integer number (756280).

Almost surely, 2^40833280 is an apocalyptic number.

40833280 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 40833280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54452160).

40833280 is an abundant number, since it is smaller than the sum of its proper divisors (68071040).

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

40833280 is a wasteful number, since it uses less digits than its factorization.

40833280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40833280 is about 6390.0923311013. The cubic root of 40833280 is about 344.3537014593.

The spelling of 40833280 in words is "forty million, eight hundred thirty-three thousand, two hundred eighty".