247152251742 has 32 divisors (see below), whose sum is σ = 556636161024. Its totient is φ = 72478665600.

The previous prime is 247152251737. The next prime is 247152251747.

247152251742 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (247152251737) and next prime (247152251747).

It is a super-2 number, since 2×247152251742² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247152251694 and 247152251703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247152251747) 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, 60396843 + ... + 60400934.

It is an arithmetic number, because the mean of its divisors is an integer number (17394880032).

Almost surely, 2^247152251742 is an apocalyptic number.

247152251742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247152251742 is an abundant number, since it is smaller than the sum of its proper divisors (309483909282).

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

247152251742 is a wasteful number, since it uses less digits than its factorization.

247152251742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120797824.

The product of its digits is 313600, while the sum is 42.

It can be divided in two parts, 247152 and 251742, that added together give a palindrome (498894).

The spelling of 247152251742 in words is "two hundred forty-seven billion, one hundred fifty-two million, two hundred fifty-one thousand, seven hundred forty-two".