1572027540 has 48 divisors (see below), whose sum is σ = 4504049088. Its totient is φ = 409457664.

The previous prime is 1572027517. The next prime is 1572027581. The reversal of 1572027540 is 457202751.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 302077 + ... + 307236.

It is an arithmetic number, because the mean of its divisors is an integer number (93834356).

Almost surely, 2^1572027540 is an apocalyptic number.

1572027540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1572027540 is an abundant number, since it is smaller than the sum of its proper divisors (2932021548).

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

1572027540 is a wasteful number, since it uses less digits than its factorization.

1572027540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609368 (or 609366 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 1572027540 is about 39648.8025039849. The cubic root of 1572027540 is about 1162.7509866214.

The spelling of 1572027540 in words is "one billion, five hundred seventy-two million, twenty-seven thousand, five hundred forty".