1600420140 has 96 divisors (see below), whose sum is σ = 5431749120. Its totient is φ = 387979200.

The previous prime is 1600420127. The next prime is 1600420183. The reversal of 1600420140 is 410240061.

1600420140 is a `hidden beast` number, since 1 + 600 + 4 + 20 + 1 + 40 = 666.

It is a super-2 number, since 2×1600420140² = 5122689249035239200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 128776 + ... + 140655.

It is an arithmetic number, because the mean of its divisors is an integer number (56580720).

Almost surely, 2^1600420140 is an apocalyptic number.

1600420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600420140 is an abundant number, since it is smaller than the sum of its proper divisors (3831328980).

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

1600420140 is a wasteful number, since it uses less digits than its factorization.

1600420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269460 (or 269452 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1600420140 is about 40005.2514052843. The cubic root of 1600420140 is about 1169.7094610601.

The spelling of 1600420140 in words is "one billion, six hundred million, four hundred twenty thousand, one hundred forty".