486148242778 has 32 divisors (see below), whose sum is σ = 802722742272. Its totient is φ = 218983215600.

The previous prime is 486148242773. The next prime is 486148242781. The reversal of 486148242778 is 877242841684.

It is a happy number.

It is a super-2 number, since 2×486148242778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (486148242773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885175 + ... + 1325077.

It is an arithmetic number, because the mean of its divisors is an integer number (25085085696).

Almost surely, 2^486148242778 is an apocalyptic number.

486148242778 is a deficient number, since it is larger than the sum of its proper divisors (316574499494).

486148242778 is a wasteful number, since it uses less digits than its factorization.

486148242778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440370.

The product of its digits is 38535168, while the sum is 61.

The spelling of 486148242778 in words is "four hundred eighty-six billion, one hundred forty-eight million, two hundred forty-two thousand, seven hundred seventy-eight".