1540325484 has 36 divisors (see below), whose sum is σ = 4037810504. Its totient is φ = 513441504.

The previous prime is 1540325453. The next prime is 1540325533. The reversal of 1540325484 is 4845230451.

It is a happy number.

1540325484 is a `hidden beast` number, since 1 + 540 + 32 + 5 + 4 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 791377 + ... + 793320.

Almost surely, 2^1540325484 is an apocalyptic number.

It is an amenable number.

1540325484 is an abundant number, since it is smaller than the sum of its proper divisors (2497485020).

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

1540325484 is a wasteful number, since it uses less digits than its factorization.

1540325484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584716 (or 1584702 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 1540325484 is about 39246.9805717586. The cubic root of 1540325484 is about 1154.8817014950.

The spelling of 1540325484 in words is "one billion, five hundred forty million, three hundred twenty-five thousand, four hundred eighty-four".