40125210 has 16 divisors (see below), whose sum is σ = 96300576. Its totient is φ = 10700048.

The previous prime is 40125209. The next prime is 40125223. The reversal of 40125210 is 1252104.

It is a super-2 number, since 2×40125210² = 3220064955088200, 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 40125210.

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, 668724 + ... + 668783.

It is an arithmetic number, because the mean of its divisors is an integer number (6018786).

Almost surely, 2^40125210 is an apocalyptic number.

40125210 is an abundant number, since it is smaller than the sum of its proper divisors (56175366).

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

40125210 is a wasteful number, since it uses less digits than its factorization.

40125210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337517.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 40125210 is about 6334.4463057161. The cubic root of 40125210 is about 342.3516611255.

Adding to 40125210 its reverse (1252104), we get a palindrome (41377314).

It can be divided in two parts, 40 and 125210, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 40125210 in words is "forty million, one hundred twenty-five thousand, two hundred ten".