40026210 has 64 divisors (see below), whose sum is σ = 114573312. Its totient is φ = 8750016.

The previous prime is 40026197. The next prime is 40026221. The reversal of 40026210 is 1262004.

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 40026210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 687 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (1790208).

Almost surely, 2^40026210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40026210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57286656).

40026210 is an abundant number, since it is smaller than the sum of its proper divisors (74547102).

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

40026210 is a wasteful number, since it uses less digits than its factorization.

40026210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327.

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

The square root of 40026210 is about 6326.6270634517. The cubic root of 40026210 is about 342.0698704754.

Adding to 40026210 its reverse (1262004), we get a palindrome (41288214).

The spelling of 40026210 in words is "forty million, twenty-six thousand, two hundred ten".