1562045540 has 48 divisors (see below), whose sum is σ = 3581323200. Its totient is φ = 567569280.

The previous prime is 1562045519. The next prime is 1562045549. The reversal of 1562045540 is 455402651.

It is a junction number, because it is equal to n+sod(n) for n = 1562045497 and 1562045506.

It is not an unprimeable number, because it can be changed into a prime (1562045549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426959 + ... + 430601.

It is an arithmetic number, because the mean of its divisors is an integer number (74610900).

Almost surely, 2^1562045540 is an apocalyptic number.

1562045540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1562045540 is an abundant number, since it is smaller than the sum of its proper divisors (2019277660).

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

1562045540 is a wasteful number, since it uses less digits than its factorization.

1562045540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612 (or 5610 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1562045540 is about 39522.7218192270. The cubic root of 1562045540 is about 1160.2846952829.

The spelling of 1562045540 in words is "one billion, five hundred sixty-two million, forty-five thousand, five hundred forty".