40207552 has 112 divisors (see below), whose sum is σ = 102412800. Its totient is φ = 15206400.

The previous prime is 40207529. The next prime is 40207561. The reversal of 40207552 is 25570204.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201949 + ... + 202147.

It is an arithmetic number, because the mean of its divisors is an integer number (914400).

Almost surely, 2^40207552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40207552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51206400).

40207552 is an abundant number, since it is smaller than the sum of its proper divisors (62205248).

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

40207552 is a wasteful number, since it uses less digits than its factorization.

40207552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 40207552 is about 6340.9425166926. The cubic root of 40207552 is about 342.5856840697.

Adding to 40207552 its reverse (25570204), we get a palindrome (65777756).

The spelling of 40207552 in words is "forty million, two hundred seven thousand, five hundred fifty-two".