40423410 has 24 divisors (see below), whose sum is σ = 105101100. Its totient is φ = 10779552.

The previous prime is 40423387. The next prime is 40423421. The reversal of 40423410 is 1432404.

It can be written as a sum of positive squares in 2 ways, for example, as 40335201 + 88209 = 6351^2 + 297^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224485 + ... + 224664.

Almost surely, 2^40423410 is an apocalyptic number.

40423410 is an abundant number, since it is smaller than the sum of its proper divisors (64677690).

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

40423410 is a wasteful number, since it uses less digits than its factorization.

40423410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449162 (or 449159 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40423410 is about 6357.9407043476. The cubic root of 40423410 is about 343.1976579787.

Adding to 40423410 its reverse (1432404), we get a palindrome (41855814).

The spelling of 40423410 in words is "forty million, four hundred twenty-three thousand, four hundred ten".