40250453430 has 96 divisors (see below), whose sum is σ = 109142961408. Its totient is φ = 9421148800.

The previous prime is 40250453407. The next prime is 40250453527. The reversal of 40250453430 is 3435405204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205015 + ... + 350045.

It is an arithmetic number, because the mean of its divisors is an integer number (1136905848).

Almost surely, 2^40250453430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40250453430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54571480704).

40250453430 is an abundant number, since it is smaller than the sum of its proper divisors (68892507978).

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

40250453430 is a wasteful number, since it uses less digits than its factorization.

40250453430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145110 (or 145081 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 40250453430 its reverse (3435405204), we get a palindrome (43685858634).

The spelling of 40250453430 in words is "forty billion, two hundred fifty million, four hundred fifty-three thousand, four hundred thirty".