40053625 has 16 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 31494000.

The previous prime is 40053623. The next prime is 40053659. The reversal of 40053625 is 52635004.

It is not a de Polignac number, because 40053625 - 2¹ = 40053623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40053625.

It is not an unprimeable number, because it can be changed into a prime (40053623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4660 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720).

Almost surely, 2^40053625 is an apocalyptic number.

It is an amenable number.

40053625 is a deficient number, since it is larger than the sum of its proper divisors (10789895).

40053625 is an equidigital number, since it uses as much as digits as its factorization.

40053625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505 (or 5495 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 40053625 is about 6328.7933289056. The cubic root of 40053625 is about 342.1479501909.

Adding to 40053625 its reverse (52635004), we get a palindrome (92688629).

The spelling of 40053625 in words is "forty million, fifty-three thousand, six hundred twenty-five".