1426056240 has 80 divisors (see below), whose sum is σ = 5052319488. Its totient is φ = 325955328.

The previous prime is 1426056223. The next prime is 1426056259. The reversal of 1426056240 is 426506241.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1426056198 and 1426056207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422742 + ... + 426101.

Almost surely, 2^1426056240 is an apocalyptic number.

1426056240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426056240 is an abundant number, since it is smaller than the sum of its proper divisors (3626263248).

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

1426056240 is a wasteful number, since it uses less digits than its factorization.

1426056240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848866 (or 848860 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1426056240 is about 37763.1598254172. The cubic root of 1426056240 is about 1125.5865228031.

It can be divided in two parts, 14260 and 56240, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 1426056240 in words is "one billion, four hundred twenty-six million, fifty-six thousand, two hundred forty".