1632061540 has 48 divisors (see below), whose sum is σ = 3690489600. Its totient is φ = 604001792.

The previous prime is 1632061537. The next prime is 1632061589. The reversal of 1632061540 is 451602361.

It is a junction number, because it is equal to n+sod(n) for n = 1632061499 and 1632061508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20620 + ... + 60739.

It is an arithmetic number, because the mean of its divisors is an integer number (76885200).

Almost surely, 2^1632061540 is an apocalyptic number.

1632061540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1632061540 is an abundant number, since it is smaller than the sum of its proper divisors (2058428060).

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

1632061540 is a wasteful number, since it uses less digits than its factorization.

1632061540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81444 (or 81442 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1632061540 is about 40398.7814172655. The cubic root of 1632061540 is about 1177.3678618646.

The spelling of 1632061540 in words is "one billion, six hundred thirty-two million, sixty-one thousand, five hundred forty".