1428502528 has 24 divisors (see below), whose sum is σ = 2856311640. Its totient is φ = 714250240.

The previous prime is 1428502507. The next prime is 1428502529. The reversal of 1428502528 is 8252058241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428502529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346708 + ... + 350803.

It is an arithmetic number, because the mean of its divisors is an integer number (119012985).

Almost surely, 2^1428502528 is an apocalyptic number.

It is an amenable number.

1428502528 is a deficient number, since it is larger than the sum of its proper divisors (1427809112).

1428502528 is an frugal number, since it uses more digits than its factorization.

1428502528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697533 (or 697513 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 1428502528 is about 37795.5358210464. The cubic root of 1428502528 is about 1126.2297736906.

The spelling of 1428502528 in words is "one billion, four hundred twenty-eight million, five hundred two thousand, five hundred twenty-eight".