40053774 has 24 divisors (see below), whose sum is σ = 80931240. Its totient is φ = 13215280.

The previous prime is 40053773. The next prime is 40053803. The reversal of 40053774 is 47735004.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053773) 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 11 ways as a sum of consecutive naturals, for example, 102772 + ... + 103160.

It is an arithmetic number, because the mean of its divisors is an integer number (3372135).

Almost surely, 2^40053774 is an apocalyptic number.

40053774 is an abundant number, since it is smaller than the sum of its proper divisors (40877466).

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

40053774 is a wasteful number, since it uses less digits than its factorization.

40053774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 40053774 is about 6328.8051004909. The cubic root of 40053774 is about 342.1483744553.

Adding to 40053774 its reverse (47735004), we get a palindrome (87788778).

The spelling of 40053774 in words is "forty million, fifty-three thousand, seven hundred seventy-four".