40134210 has 32 divisors (see below), whose sum is σ = 97182720. Its totient is φ = 10606848.

The previous prime is 40134209. The next prime is 40134217. The reversal of 40134210 is 1243104.

It is a super-2 number, since 2×40134210² = 3221509624648200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 40134210.

It is not an unprimeable number, because it can be changed into a prime (40134217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2530 + ... + 9309.

It is an arithmetic number, because the mean of its divisors is an integer number (3036960).

Almost surely, 2^40134210 is an apocalyptic number.

40134210 is an abundant number, since it is smaller than the sum of its proper divisors (57048510).

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

40134210 is a wasteful number, since it uses less digits than its factorization.

40134210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40134210 is about 6335.1566673603. The cubic root of 40134210 is about 342.3772554640.

Adding to 40134210 its reverse (1243104), we get a palindrome (41377314).

The spelling of 40134210 in words is "forty million, one hundred thirty-four thousand, two hundred ten".