1264307420 has 48 divisors (see below), whose sum is σ = 2707396608. Its totient is φ = 495823680.

The previous prime is 1264307419. The next prime is 1264307431. The reversal of 1264307420 is 247034621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296705 + ... + 300935.

It is an arithmetic number, because the mean of its divisors is an integer number (56404096).

Almost surely, 2^1264307420 is an apocalyptic number.

1264307420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1264307420 is an abundant number, since it is smaller than the sum of its proper divisors (1443089188).

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

1264307420 is a wasteful number, since it uses less digits than its factorization.

1264307420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1264307420 is about 35557.1008379480. The cubic root of 1264307420 is about 1081.3116836072.

The spelling of 1264307420 in words is "one billion, two hundred sixty-four million, three hundred seven thousand, four hundred twenty".