1263477468 has 48 divisors (see below), whose sum is σ = 3405314304. Its totient is φ = 360349440.

The previous prime is 1263477463. The next prime is 1263477499. The reversal of 1263477468 is 8647743621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263477463) 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, 279280 + ... + 283767.

It is an arithmetic number, because the mean of its divisors is an integer number (70944048).

Almost surely, 2^1263477468 is an apocalyptic number.

It is an amenable number.

1263477468 is an abundant number, since it is smaller than the sum of its proper divisors (2141836836).

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

1263477468 is a wasteful number, since it uses less digits than its factorization.

1263477468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563082 (or 563080 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 48.

The square root of 1263477468 is about 35545.4282292393. The cubic root of 1263477468 is about 1081.0750235393.

It can be divided in two parts, 1263 and 477468, that added together give a triangular number (478731 = T₉₇₈).

The spelling of 1263477468 in words is "one billion, two hundred sixty-three million, four hundred seventy-seven thousand, four hundred sixty-eight".