40451250 has 160 divisors (see below), whose sum is σ = 122360832. Its totient is φ = 8712000.

The previous prime is 40451233. The next prime is 40451251. The reversal of 40451250 is 5215404.

40451250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 603717 + ... + 603783.

Almost surely, 2^40451250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40451250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61180416).

40451250 is an abundant number, since it is smaller than the sum of its proper divisors (81909582).

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

40451250 is a wasteful number, since it uses less digits than its factorization.

40451250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 107 counting only the distinct ones).

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

The square root of 40451250 is about 6360.1297156583. The cubic root of 40451250 is about 343.2764277657.

Adding to 40451250 its reverse (5215404), we get a palindrome (45666654).

The spelling of 40451250 in words is "forty million, four hundred fifty-one thousand, two hundred fifty".