40534340 has 48 divisors (see below), whose sum is σ = 106130304. Its totient is φ = 12633600.

The previous prime is 40534339. The next prime is 40534369. The reversal of 40534340 is 4343504.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11621 + ... + 14700.

It is an arithmetic number, because the mean of its divisors is an integer number (2211048).

Almost surely, 2^40534340 is an apocalyptic number.

It is an amenable number.

40534340 is an abundant number, since it is smaller than the sum of its proper divisors (65595964).

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

40534340 is a wasteful number, since it uses less digits than its factorization.

40534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26348 (or 26346 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40534340 is about 6366.6584642181. The cubic root of 40534340 is about 343.5113058083.

Adding to 40534340 its reverse (4343504), we get a palindrome (44877844).

The spelling of 40534340 in words is "forty million, five hundred thirty-four thousand, three hundred forty".