40254450 has 72 divisors (see below), whose sum is σ = 103462128. Its totient is φ = 10352160.

The previous prime is 40254443. The next prime is 40254469. The reversal of 40254450 is 5445204.

It is a self number, because there is not a number n which added to its sum of digits gives 40254450.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 509511 + ... + 509589.

It is an arithmetic number, because the mean of its divisors is an integer number (1436974).

Almost surely, 2^40254450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40254450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51731064).

40254450 is an abundant number, since it is smaller than the sum of its proper divisors (63207678).

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

40254450 is a wasteful number, since it uses less digits than its factorization.

40254450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40254450 is about 6344.6394696626. The cubic root of 40254450 is about 342.7188293785.

Adding to 40254450 its reverse (5445204), we get a palindrome (45699654).

It can be divided in two parts, 40254 and 450, that added together give a palindrome (40704).

The spelling of 40254450 in words is "forty million, two hundred fifty-four thousand, four hundred fifty".