40334520 has 32 divisors (see below), whose sum is σ = 121003920. Its totient is φ = 10755840.

The previous prime is 40334509. The next prime is 40334521. The reversal of 40334520 is 2543304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40334521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167941 + ... + 168180.

Almost surely, 2^40334520 is an apocalyptic number.

40334520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40334520 is an abundant number, since it is smaller than the sum of its proper divisors (80669400).

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

40334520 is a wasteful number, since it uses less digits than its factorization.

40334520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336135 (or 336131 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40334520 is about 6350.9463861695. The cubic root of 40334520 is about 342.9459125304.

Adding to 40334520 its reverse (2543304), we get a palindrome (42877824).

The spelling of 40334520 in words is "forty million, three hundred thirty-four thousand, five hundred twenty".