4025123142040 has 256 divisors, whose sum is σ = 12331086243840. Its totient is φ = 1141765632000.

The previous prime is 4025123142013. The next prime is 4025123142101. The reversal of 4025123142040 is 402413215204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2134900 + ... + 3550780.

It is an arithmetic number, because the mean of its divisors is an integer number (48168305640).

Almost surely, 2^{4025123142040} is an apocalyptic number.

4025123142040 is a gapful number since it is divisible by the number (40) 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 4025123142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6165543121920).

4025123142040 is an abundant number, since it is smaller than the sum of its proper divisors (8305963101800).

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

4025123142040 is a wasteful number, since it uses less digits than its factorization.

4025123142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415994 (or 1415990 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 4025123142040 its reverse (402413215204), we get a palindrome (4427536357244).

The spelling of 4025123142040 in words is "four trillion, twenty-five billion, one hundred twenty-three million, one hundred forty-two thousand, forty".