488378040581381 has 16 divisors (see below), whose sum is σ = 498040444070400. Its totient is φ = 478763652907008.

The previous prime is 488378040581317. The next prime is 488378040581419. The reversal of 488378040581381 is 183185040873884.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 488378040581381 - 2⁶ = 488378040581317 is a prime.

It is a super-2 number, since 2×488378040581381² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488378040511381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22537580 + ... + 38531786.

It is an arithmetic number, because the mean of its divisors is an integer number (31127527754400).

Almost surely, 2^{488378040581381} is an apocalyptic number.

It is an amenable number.

488378040581381 is a deficient number, since it is larger than the sum of its proper divisors (9662403489019).

488378040581381 is a wasteful number, since it uses less digits than its factorization.

488378040581381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15995708.

The product of its (nonzero) digits is 165150720, while the sum is 68.

The spelling of 488378040581381 in words is "four hundred eighty-eight trillion, three hundred seventy-eight billion, forty million, five hundred eighty-one thousand, three hundred eighty-one".