1536502428 has 18 divisors (see below), whose sum is σ = 3883936784. Its totient is φ = 512167464.

The previous prime is 1536502421. The next prime is 1536502433. The reversal of 1536502428 is 8242056351.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1536502428² = 4721679422499790368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 42680623 = 1536502428 / (1 + 5 + 3 + 6 + 5 + 0 + 2 + 4 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1536502392 and 1536502401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1536502421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21340276 + ... + 21340347.

Almost surely, 2^1536502428 is an apocalyptic number.

1536502428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1536502428 is an abundant number, since it is smaller than the sum of its proper divisors (2347434356).

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

1536502428 is a wasteful number, since it uses less digits than its factorization.

1536502428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42680633 (or 42680628 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1536502428 is about 39198.2452158257. The cubic root of 1536502428 is about 1153.9254457551.

Adding to 1536502428 its reverse (8242056351), we get a palindrome (9778558779).

The spelling of 1536502428 in words is "one billion, five hundred thirty-six million, five hundred two thousand, four hundred twenty-eight".