1264940350 has 24 divisors (see below), whose sum is σ = 2385025920. Its totient is φ = 499043520.

The previous prime is 1264940321. The next prime is 1264940351. The reversal of 1264940350 is 530494621.

It is a happy number.

1264940350 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264940351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169630 + ... + 176929.

It is an arithmetic number, because the mean of its divisors is an integer number (99376080).

Almost surely, 2^1264940350 is an apocalyptic number.

1264940350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264940350 is a deficient number, since it is larger than the sum of its proper divisors (1120085570).

1264940350 is a wasteful number, since it uses less digits than its factorization.

1264940350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346644 (or 346639 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1264940350 is about 35565.9999156498. Note that the first 4 decimals coincide. The cubic root of 1264940350 is about 1081.4920934292.

The spelling of 1264940350 in words is "one billion, two hundred sixty-four million, nine hundred forty thousand, three hundred fifty".