40354028 has 24 divisors (see below), whose sum is σ = 82966800. Its totient is φ = 16931520.

The previous prime is 40354021. The next prime is 40354091. The reversal of 40354028 is 82045304.

40354028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 40353988 and 40354006.

It is not an unprimeable number, because it can be changed into a prime (40354021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34703 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (3456950).

Almost surely, 2^40354028 is an apocalyptic number.

It is an amenable number.

40354028 is an abundant number, since it is smaller than the sum of its proper divisors (42612772).

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

40354028 is a wasteful number, since it uses less digits than its factorization.

40354028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70577 (or 70575 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40354028 is about 6352.4820346066. The cubic root of 40354028 is about 343.0011928095.

The spelling of 40354028 in words is "forty million, three hundred fifty-four thousand, twenty-eight".