3623539920 has 320 divisors, whose sum is σ = 15083034624. Its totient is φ = 694978560.

The previous prime is 3623539877. The next prime is 3623539921. The reversal of 3623539920 is 299353263.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3623539921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 232699 + ... + 247781.

Almost surely, 2^3623539920 is an apocalyptic number.

3623539920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3623539920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7541517312).

3623539920 is an abundant number, since it is smaller than the sum of its proper divisors (11459494704).

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

3623539920 is a wasteful number, since it uses less digits than its factorization.

3623539920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130 (or 15124 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 42.

The square root of 3623539920 is about 60195.8463683334. The cubic root of 3623539920 is about 1535.9521401646.

It can be divided in two parts, 362353 and 9920, that added together give a palindrome (372273).

The spelling of 3623539920 in words is "three billion, six hundred twenty-three million, five hundred thirty-nine thousand, nine hundred twenty".