488139550425 has 36 divisors (see below), whose sum is σ = 877423717404. Its totient is φ = 259414579200.

The previous prime is 488139550421. The next prime is 488139550447. The reversal of 488139550425 is 524055931884.

488139550425 is a `hidden beast` number, since 4 + 8 + 81 + 3 + 9 + 550 + 4 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 72861125184 + 415278425241 = 269928^2 + 644421^2 .

It is not a de Polignac number, because 488139550425 - 2² = 488139550421 is a prime.

It is a super-2 number, since 2×488139550425² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (488139550421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3797112 + ... + 3923561.

It is an arithmetic number, because the mean of its divisors is an integer number (24372881039).

Almost surely, 2^488139550425 is an apocalyptic number.

488139550425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

488139550425 is a deficient number, since it is larger than the sum of its proper divisors (389284166979).

488139550425 is a wasteful number, since it uses less digits than its factorization.

488139550425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720970 (or 7720962 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 488139550425 in words is "four hundred eighty-eight billion, one hundred thirty-nine million, five hundred fifty thousand, four hundred twenty-five".