1536436044 has 144 divisors (see below), whose sum is σ = 4593249024. Its totient is φ = 426902400.

The previous prime is 1536436019. The next prime is 1536436049. The reversal of 1536436044 is 4406346351.

1536436044 is a `hidden beast` number, since 1 + 5 + 3 + 6 + 43 + 604 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1536436049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 838209 + ... + 840039.

Almost surely, 2^1536436044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1536436044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296624512).

1536436044 is an abundant number, since it is smaller than the sum of its proper divisors (3056812980).

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

1536436044 is a wasteful number, since it uses less digits than its factorization.

1536436044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1536436044 is about 39197.3984340798. The cubic root of 1536436044 is about 1153.9088272132.

It can be divided in two parts, 1536 and 436044, that added together give a triangular number (437580 = T₉₃₅).

The spelling of 1536436044 in words is "one billion, five hundred thirty-six million, four hundred thirty-six thousand, forty-four".