268429585303490 has 64 divisors (see below), whose sum is σ = 560464597123200. Its totient is φ = 91712388547584.

The previous prime is 268429585303463. The next prime is 268429585303499. The reversal of 268429585303490 is 94303585924862.

It is a super-2 number, since 2×268429585303490² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268429585303490.

It is not an unprimeable number, because it can be changed into a prime (268429585303499) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1263567575 + ... + 1263779994.

It is an arithmetic number, because the mean of its divisors is an integer number (8757259330050).

Almost surely, 2^{268429585303490} is an apocalyptic number.

268429585303490 is an abundant number, since it is smaller than the sum of its proper divisors (292035011819710).

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

268429585303490 is a wasteful number, since it uses less digits than its factorization.

268429585303490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527347651.

The product of its (nonzero) digits is 447897600, while the sum is 68.

The spelling of 268429585303490 in words is "two hundred sixty-eight trillion, four hundred twenty-nine billion, five hundred eighty-five million, three hundred three thousand, four hundred ninety".