40933428 has 24 divisors (see below), whose sum is σ = 97544832. Its totient is φ = 13353984.

The previous prime is 40933427. The next prime is 40933441. The reversal of 40933428 is 82433904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40933421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35725 + ... + 36852.

It is an arithmetic number, because the mean of its divisors is an integer number (4064368).

Almost surely, 2^40933428 is an apocalyptic number.

It is an amenable number.

40933428 is an abundant number, since it is smaller than the sum of its proper divisors (56611404).

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

40933428 is a wasteful number, since it uses less digits than its factorization.

40933428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72631 (or 72629 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40933428 is about 6397.9237257098. The cubic root of 40933428 is about 344.6349930842.

The spelling of 40933428 in words is "forty million, nine hundred thirty-three thousand, four hundred twenty-eight".