40035450 has 144 divisors (see below), whose sum is σ = 124679520. Its totient is φ = 8426880.

The previous prime is 40035431. The next prime is 40035461. The reversal of 40035450 is 5453004.

It is a happy number.

40035450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95341 + ... + 95759.

It is an arithmetic number, because the mean of its divisors is an integer number (865830).

Almost surely, 2^40035450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40035450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62339760).

40035450 is an abundant number, since it is smaller than the sum of its proper divisors (84644070).

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

40035450 is a wasteful number, since it uses less digits than its factorization.

40035450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40035450 is about 6327.3572682440. The cubic root of 40035450 is about 342.0961905826.

Adding to 40035450 its reverse (5453004), we get a palindrome (45488454).

It can be divided in two parts, 4003 and 5450, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 40035450 in words is "forty million, thirty-five thousand, four hundred fifty".