40733442 has 40 divisors (see below), whose sum is σ = 94228992. Its totient is φ = 13138200.

The previous prime is 40733417. The next prime is 40733447. The reversal of 40733442 is 24433704.

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

It is not an unprimeable number, because it can be changed into a prime (40733447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 967 + ... + 9077.

Almost surely, 2^40733442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40733442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47114496).

40733442 is an abundant number, since it is smaller than the sum of its proper divisors (53495550).

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

40733442 is a wasteful number, since it uses less digits than its factorization.

40733442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8156 (or 8147 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 40733442 is about 6382.2756129769. The cubic root of 40733442 is about 344.0728223781.

The spelling of 40733442 in words is "forty million, seven hundred thirty-three thousand, four hundred forty-two".