1560426240 has 72 divisors (see below), whose sum is σ = 4983623568. Its totient is φ = 416112640.

The previous prime is 1560426239. The next prime is 1560426251. The reversal of 1560426240 is 426240651.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 = 1560426198 and 1560426207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199341 + ... + 207020.

It is an arithmetic number, because the mean of its divisors is an integer number (69216994).

Almost surely, 2^1560426240 is an apocalyptic number.

1560426240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560426240 is an abundant number, since it is smaller than the sum of its proper divisors (3423197328).

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

1560426240 is an equidigital number, since it uses as much as digits as its factorization.

1560426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406385 (or 406371 counting only the distinct ones).

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

The square root of 1560426240 is about 39502.2308230814. The cubic root of 1560426240 is about 1159.8836189225.

Adding to 1560426240 its reverse (426240651), we get a palindrome (1986666891).

The spelling of 1560426240 in words is "one billion, five hundred sixty million, four hundred twenty-six thousand, two hundred forty".