1540152472 has 8 divisors (see below), whose sum is σ = 2887785900. Its totient is φ = 770076232.

The previous prime is 1540152469. The next prime is 1540152557. The reversal of 1540152472 is 2742510451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96259522 + ... + 96259537.

Almost surely, 2^1540152472 is an apocalyptic number.

It is an amenable number.

1540152472 is a deficient number, since it is larger than the sum of its proper divisors (1347633428).

1540152472 is a wasteful number, since it uses less digits than its factorization.

1540152472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192519065 (or 192519061 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 1540152472 is about 39244.7763657789. The cubic root of 1540152472 is about 1154.8384604449.

The spelling of 1540152472 in words is "one billion, five hundred forty million, one hundred fifty-two thousand, four hundred seventy-two".