40362500 has 36 divisors (see below), whose sum is σ = 88314660. Its totient is φ = 16140000.

The previous prime is 40362499. The next prime is 40362547. The reversal of 40362500 is 526304.

It can be written as a sum of positive squares in 6 ways, for example, as 36168196 + 4194304 = 6014^2 + 2048^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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, 10886 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (2453185).

Almost surely, 2^40362500 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 40362500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44157330).

40362500 is an abundant number, since it is smaller than the sum of its proper divisors (47952160).

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

40362500 is an equidigital number, since it uses as much as digits as its factorization.

40362500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 40362500 is about 6353.1488255825. The cubic root of 40362500 is about 343.0251945669.

Adding to 40362500 its reverse (526304), we get a palindrome (40888804).

The spelling of 40362500 in words is "forty million, three hundred sixty-two thousand, five hundred".