6425104140 has 384 divisors, whose sum is σ = 25076459520. Its totient is φ = 1329509376.

The previous prime is 6425104079. The next prime is 6425104243. The reversal of 6425104140 is 414015246.

6425104140 is a `hidden beast` number, since 6 + 4 + 2 + 510 + 4 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2603187 + ... + 2605653.

It is an arithmetic number, because the mean of its divisors is an integer number (65303280).

Almost surely, 2^6425104140 is an apocalyptic number.

6425104140 is a gapful number since it is divisible by the number (60) 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 6425104140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12538229760).

6425104140 is an abundant number, since it is smaller than the sum of its proper divisors (18651355380).

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

6425104140 is a wasteful number, since it uses less digits than its factorization.

6425104140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 6425104140 is about 80156.7473142467. The cubic root of 6425104140 is about 1859.0599307836.

Adding to 6425104140 its reverse (414015246), we get a palindrome (6839119386).

The spelling of 6425104140 in words is "six billion, four hundred twenty-five million, one hundred four thousand, one hundred forty".