10040250420 has 144 divisors (see below), whose sum is σ = 30950494848. Its totient is φ = 2634220800.

The previous prime is 10040250397. The next prime is 10040250463. The reversal of 10040250420 is 2405204001.

10040250420 is a `hidden beast` number, since 100 + 40 + 2 + 504 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10040250393 and 10040250402.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3034407 + ... + 3037713.

It is an arithmetic number, because the mean of its divisors is an integer number (214933992).

Almost surely, 2^10040250420 is an apocalyptic number.

10040250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10040250420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15475247424).

10040250420 is an abundant number, since it is smaller than the sum of its proper divisors (20910244428).

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

10040250420 is a wasteful number, since it uses less digits than its factorization.

10040250420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590 (or 3585 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 10040250420 its reverse (2405204001), we get a palindrome (12445454421).

The spelling of 10040250420 in words is "ten billion, forty million, two hundred fifty thousand, four hundred twenty".