36184949640 has 1024 divisors, whose sum is σ = 152616960000. Its totient is φ = 7600158720.

The previous prime is 36184949611. The next prime is 36184949659. The reversal of 36184949640 is 4694948163.

It is a happy number.

36184949640 is a `hidden beast` number, since 3 + 61 + 8 + 494 + 96 + 4 + 0 = 666.

It is a super-2 number, since 2×36184949640² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 264123652 + ... + 264123788.

It is an arithmetic number, because the mean of its divisors is an integer number (149040000).

Almost surely, 2^36184949640 is an apocalyptic number.

36184949640 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 36184949640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76308480000).

36184949640 is an abundant number, since it is smaller than the sum of its proper divisors (116432010360).

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

36184949640 is a wasteful number, since it uses less digits than its factorization.

36184949640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 36184949640 in words is "thirty-six billion, one hundred eighty-four million, nine hundred forty-nine thousand, six hundred forty".