1426440960 has 648 divisors, whose sum is σ = 6074359200. Its totient is φ = 308883456.

The previous prime is 1426440959. The next prime is 1426440973. The reversal of 1426440960 is 690446241.

1426440960 is a `hidden beast` number, since 1 + 4 + 2 + 644 + 0 + 9 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 75075831 + ... + 75075849.

Almost surely, 2^1426440960 is an apocalyptic number.

1426440960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1426440960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037179600).

1426440960 is an abundant number, since it is smaller than the sum of its proper divisors (4647918240).

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

1426440960 is an equidigital number, since it uses as much as digits as its factorization.

1426440960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1426440960 is about 37768.2533353079. The cubic root of 1426440960 is about 1125.6877335640.

The spelling of 1426440960 in words is "one billion, four hundred twenty-six million, four hundred forty thousand, nine hundred sixty".