1326256974 has 48 divisors (see below), whose sum is σ = 3292380000. Its totient is φ = 377971200.

The previous prime is 1326256961. The next prime is 1326256979. The reversal of 1326256974 is 4796526231.

1326256974 is a `hidden beast` number, since 1 + 326 + 256 + 9 + 74 = 666.

It is a super-2 number, since 2×1326256974² = 3517915122167273352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326256979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37402 + ... + 63650.

It is an arithmetic number, because the mean of its divisors is an integer number (68591250).

Almost surely, 2^1326256974 is an apocalyptic number.

1326256974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1326256974 is an abundant number, since it is smaller than the sum of its proper divisors (1966123026).

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

1326256974 is a wasteful number, since it uses less digits than its factorization.

1326256974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26665 (or 26662 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 1326256974 is about 36417.8112192372. The cubic root of 1326256974 is about 1098.6918261395.

The spelling of 1326256974 in words is "one billion, three hundred twenty-six million, two hundred fifty-six thousand, nine hundred seventy-four".