1420162560 has 240 divisors, whose sum is σ = 5015531664. Its totient is φ = 371245056.

The previous prime is 1420162537. The next prime is 1420162561. The reversal of 1420162560 is 652610241.

1420162560 is a `hidden beast` number, since 1 + 42 + 0 + 1 + 62 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420162561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220539 + ... + 1221701.

Almost surely, 2^1420162560 is an apocalyptic number.

1420162560 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 1420162560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507765832).

1420162560 is an abundant number, since it is smaller than the sum of its proper divisors (3595369104).

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

1420162560 is a wasteful number, since it uses less digits than its factorization.

1420162560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1420162560 is about 37685.0442483487. The cubic root of 1420162560 is about 1124.0337540469.

The spelling of 1420162560 in words is "one billion, four hundred twenty million, one hundred sixty-two thousand, five hundred sixty".