1430665056 has 144 divisors (see below), whose sum is σ = 4351130784. Its totient is φ = 444321792.

The previous prime is 1430665043. The next prime is 1430665069. The reversal of 1430665056 is 6505660341.

1430665056 is a `hidden beast` number, since 143 + 0 + 6 + 6 + 505 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1430665043) and next prime (1430665069).

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1430665056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502870 + ... + 505706.

It is an arithmetic number, because the mean of its divisors is an integer number (30216186).

Almost surely, 2^1430665056 is an apocalyptic number.

1430665056 is a gapful number since it is divisible by the number (16) 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 1430665056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2175565392).

1430665056 is an abundant number, since it is smaller than the sum of its proper divisors (2920465728).

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

1430665056 is a wasteful number, since it uses less digits than its factorization.

1430665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 1430665056 is about 37824.1332484963. The cubic root of 1430665056 is about 1126.7977986947.

The spelling of 1430665056 in words is "one billion, four hundred thirty million, six hundred sixty-five thousand, fifty-six".