36421985424 has 120 divisors (see below), whose sum is σ = 103799328640. Its totient is φ = 10996634880.

The previous prime is 36421985329. The next prime is 36421985429. The reversal of 36421985424 is 42458912463.

It is a super-2 number, since 2×36421985424² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (36421985429) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1597497 + ... + 1620135.

Almost surely, 2^36421985424 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 36421985424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51899664320).

36421985424 is an abundant number, since it is smaller than the sum of its proper divisors (67377343216).

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

36421985424 is a wasteful number, since it uses less digits than its factorization.

36421985424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22949 (or 22932 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The spelling of 36421985424 in words is "thirty-six billion, four hundred twenty-one million, nine hundred eighty-five thousand, four hundred twenty-four".