1540424452 has 12 divisors (see below), whose sum is σ = 3080848960. Its totient is φ = 660181896.

The previous prime is 1540424437. The next prime is 1540424453. The reversal of 1540424452 is 2544240451.

1540424452 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1540424453) 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, 27507552 + ... + 27507607.

Almost surely, 2^1540424452 is an apocalyptic number.

It is an amenable number.

1540424452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1540424452 is a wasteful number, since it uses less digits than its factorization.

1540424452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55015170 (or 55015168 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

The square root of 1540424452 is about 39248.2413873539. The cubic root of 1540424452 is about 1154.9064352035.

The spelling of 1540424452 in words is "one billion, five hundred forty million, four hundred twenty-four thousand, four hundred fifty-two".