1542640364 has 6 divisors (see below), whose sum is σ = 2699620644. Its totient is φ = 771320180.

The previous prime is 1542640357. The next prime is 1542640403. The reversal of 1542640364 is 4630462451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192830042 + ... + 192830049.

It is an arithmetic number, because the mean of its divisors is an integer number (449936774).

Almost surely, 2^1542640364 is an apocalyptic number.

It is an amenable number.

1542640364 is a deficient number, since it is larger than the sum of its proper divisors (1156980280).

1542640364 is a wasteful number, since it uses less digits than its factorization.

1542640364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385660095 (or 385660093 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 1542640364 is about 39276.4606857594. The cubic root of 1542640364 is about 1155.4599503675.

The spelling of 1542640364 in words is "one billion, five hundred forty-two million, six hundred forty thousand, three hundred sixty-four".