40215350 has 24 divisors (see below), whose sum is σ = 85487088. Its totient is φ = 13788000.

The previous prime is 40215347. The next prime is 40215361. The reversal of 40215350 is 5351204.

40215350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 57101 + ... + 57800.

It is an arithmetic number, because the mean of its divisors is an integer number (3561962).

Almost surely, 2^40215350 is an apocalyptic number.

40215350 is an abundant number, since it is smaller than the sum of its proper divisors (45271738).

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

40215350 is a wasteful number, since it uses less digits than its factorization.

40215350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114920 (or 114915 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40215350 is about 6341.5573796978. The cubic root of 40215350 is about 342.6078300792.

Adding to 40215350 its reverse (5351204), we get a palindrome (45566554).

The spelling of 40215350 in words is "forty million, two hundred fifteen thousand, three hundred fifty".