40552000 has 112 divisors (see below), whose sum is σ = 103894128. Its totient is φ = 15667200.

The previous prime is 40551991. The next prime is 40552067. The reversal of 40552000 is 25504.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4359744 + 36192256 = 2088^2 + 6016^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 295932 + ... + 296068.

Almost surely, 2^40552000 is an apocalyptic number.

40552000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40552000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51947064).

40552000 is an abundant number, since it is smaller than the sum of its proper divisors (63342128).

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

40552000 is a wasteful number, since it uses less digits than its factorization.

40552000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 40552000 is about 6368.0452259701. The cubic root of 40552000 is about 343.5611855635.

Adding to 40552000 its reverse (25504), we get a palindrome (40577504).

The spelling of 40552000 in words is "forty million, five hundred fifty-two thousand".