40125450 has 48 divisors (see below), whose sum is σ = 101841696. Its totient is φ = 10449600.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125450 is 5452104.

It is a super-2 number, since 2×40125450² = 3220103475405000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3340 + ... + 9560.

It is an arithmetic number, because the mean of its divisors is an integer number (2121702).

Almost surely, 2^40125450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40125450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50920848).

40125450 is an abundant number, since it is smaller than the sum of its proper divisors (61716246).

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

40125450 is a wasteful number, since it uses less digits than its factorization.

40125450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279 (or 6274 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40125450 is about 6334.4652497271. The cubic root of 40125450 is about 342.3523436909.

Adding to 40125450 its reverse (5452104), we get a palindrome (45577554).

The spelling of 40125450 in words is "forty million, one hundred twenty-five thousand, four hundred fifty".