247523274042 has 32 divisors (see below), whose sum is σ = 540112402944. Its totient is φ = 74998494000.

The previous prime is 247523274001. The next prime is 247523274059. The reversal of 247523274042 is 240472325742.

247523274042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247523274042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247523273985 and 247523274003.

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 15 ways as a sum of consecutive naturals, for example, 381273 + ... + 800259.

It is an arithmetic number, because the mean of its divisors is an integer number (16878512592).

Almost surely, 2^247523274042 is an apocalyptic number.

247523274042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247523274042 is an abundant number, since it is smaller than the sum of its proper divisors (292589128902).

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

247523274042 is a wasteful number, since it uses less digits than its factorization.

247523274042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427954.

The product of its (nonzero) digits is 752640, while the sum is 42.

Adding to 247523274042 its reverse (240472325742), we get a palindrome (487995599784).

The spelling of 247523274042 in words is "two hundred forty-seven billion, five hundred twenty-three million, two hundred seventy-four thousand, forty-two".