1540336632 has 16 divisors (see below), whose sum is σ = 3850841640. Its totient is φ = 513445536.

The previous prime is 1540336627. The next prime is 1540336639. The reversal of 1540336632 is 2366330451.

It is a super-2 number, since 2×1540336632² = 4745273879762206848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1540336593 and 1540336602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540336639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32090323 + ... + 32090370.

Almost surely, 2^1540336632 is an apocalyptic number.

1540336632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1540336632 is an abundant number, since it is smaller than the sum of its proper divisors (2310505008).

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

1540336632 is a wasteful number, since it uses less digits than its factorization.

1540336632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64180702 (or 64180698 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 1540336632 is about 39247.1225951661. The cubic root of 1540336632 is about 1154.8844876140.

The spelling of 1540336632 in words is "one billion, five hundred forty million, three hundred thirty-six thousand, six hundred thirty-two".