1264420488 has 16 divisors (see below), whose sum is σ = 3161051280. Its totient is φ = 421473488.

The previous prime is 1264420483. The next prime is 1264420541. The reversal of 1264420488 is 8840244621.

It is not an unprimeable number, because it can be changed into a prime (1264420483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26342070 + ... + 26342117.

It is an arithmetic number, because the mean of its divisors is an integer number (197565705).

Almost surely, 2^1264420488 is an apocalyptic number.

It is an amenable number.

1264420488 is an abundant number, since it is smaller than the sum of its proper divisors (1896630792).

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

1264420488 is a wasteful number, since it uses less digits than its factorization.

1264420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52684196 (or 52684192 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 39.

The square root of 1264420488 is about 35558.6907520510. The cubic root of 1264420488 is about 1081.3439168291.

The spelling of 1264420488 in words is "one billion, two hundred sixty-four million, four hundred twenty thousand, four hundred eighty-eight".