247307526042 has 16 divisors (see below), whose sum is σ = 494806868640. Its totient is φ = 82403872592.

The previous prime is 247307526031. The next prime is 247307526043. The reversal of 247307526042 is 240625703742.

It is a super-2 number, since 2×247307526042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247307525985 and 247307526003.

It is not an unprimeable number, because it can be changed into a prime (247307526043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7975593 + ... + 8006540.

It is an arithmetic number, because the mean of its divisors is an integer number (30925429290).

Almost surely, 2^247307526042 is an apocalyptic number.

247307526042 is an abundant number, since it is smaller than the sum of its proper divisors (247499342598).

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

247307526042 is a wasteful number, since it uses less digits than its factorization.

247307526042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984717.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 247307526042 in words is "two hundred forty-seven billion, three hundred seven million, five hundred twenty-six thousand, forty-two".