40184898292 has 96 divisors (see below), whose sum is σ = 92630200320. Its totient is φ = 14794792320.

The previous prime is 40184898287. The next prime is 40184898323. The reversal of 40184898292 is 29289848104.

It is a super-2 number, since 2×40184898292² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 371943 + ... + 467665.

It is an arithmetic number, because the mean of its divisors is an integer number (964897920).

Almost surely, 2^40184898292 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 40184898292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46315100160).

40184898292 is an abundant number, since it is smaller than the sum of its proper divisors (52445302028).

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

40184898292 is a wasteful number, since it uses less digits than its factorization.

40184898292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95821 (or 95819 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 40184898292 in words is "forty billion, one hundred eighty-four million, eight hundred ninety-eight thousand, two hundred ninety-two".