263030240460 has 96 divisors (see below), whose sum is σ = 797887060992. Its totient is φ = 64358173440.

The previous prime is 263030240443. The next prime is 263030240509. The reversal of 263030240460 is 64042030362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879376 + ... + 1139895.

It is an arithmetic number, because the mean of its divisors is an integer number (8311323552).

Almost surely, 2^263030240460 is an apocalyptic number.

263030240460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263030240460 is an abundant number, since it is smaller than the sum of its proper divisors (534856820532).

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

263030240460 is a wasteful number, since it uses less digits than its factorization.

263030240460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019463 (or 2019461 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 2630302 and 40460, that added together give a palindrome (2670762).

The spelling of 263030240460 in words is "two hundred sixty-three billion, thirty million, two hundred forty thousand, four hundred sixty".