40213342 has 16 divisors (see below), whose sum is σ = 66472560. Its totient is φ = 18127872.

The previous prime is 40213337. The next prime is 40213351. The reversal of 40213342 is 24331204.

It is a super-2 number, since 2×40213342² = 3234225749617928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16867 + ... + 19102.

It is an arithmetic number, because the mean of its divisors is an integer number (4154535).

Almost surely, 2^40213342 is an apocalyptic number.

40213342 is a deficient number, since it is larger than the sum of its proper divisors (26259218).

40213342 is a wasteful number, since it uses less digits than its factorization.

40213342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36027.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40213342 is about 6341.3990569905. The cubic root of 40213342 is about 342.6021277128.

Adding to 40213342 its reverse (24331204), we get a palindrome (64544546).

The spelling of 40213342 in words is "forty million, two hundred thirteen thousand, three hundred forty-two".