40053750 has 80 divisors (see below), whose sum is σ = 109315008. Its totient is φ = 9700000.

The previous prime is 40053749. The next prime is 40053773. The reversal of 40053750 is 5735004.

It is a self number, because there is not a number n which added to its sum of digits gives 40053750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40765 + ... + 41735.

Almost surely, 2^40053750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40053750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54657504).

40053750 is an abundant number, since it is smaller than the sum of its proper divisors (69261258).

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

40053750 is a wasteful number, since it uses less digits than its factorization.

40053750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 40053750 is about 6328.8032043981. The cubic root of 40053750 is about 342.1483061175.

Adding to 40053750 its reverse (5735004), we get a palindrome (45788754).

The spelling of 40053750 in words is "forty million, fifty-three thousand, seven hundred fifty".