1528940372 has 12 divisors (see below), whose sum is σ = 2677135776. Its totient is φ = 764044440.

The previous prime is 1528940321. The next prime is 1528940423. The reversal of 1528940372 is 2730498251.

It is an interprime number because it is at equal distance from previous prime (1528940321) and next prime (1528940423).

It is a super-2 number, since 2×1528940372² = 4675317322262996768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98288 + ... + 112775.

It is an arithmetic number, because the mean of its divisors is an integer number (223094648).

Almost surely, 2^1528940372 is an apocalyptic number.

It is an amenable number.

1528940372 is a deficient number, since it is larger than the sum of its proper divisors (1148195404).

1528940372 is a wasteful number, since it uses less digits than its factorization.

1528940372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212878 (or 212876 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1528940372 is about 39101.6671255843. The cubic root of 1528940372 is about 1152.0292770418.

The spelling of 1528940372 in words is "one billion, five hundred twenty-eight million, nine hundred forty thousand, three hundred seventy-two".