40180840500 has 192 divisors, whose sum is σ = 122419454976. Its totient is φ = 10230400000.

The previous prime is 40180840499. The next prime is 40180840507. The reversal of 40180840500 is 504808104.

It is a super-2 number, since 2×40180840500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40180840507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2883550 + ... + 2897450.

It is an arithmetic number, because the mean of its divisors is an integer number (637601328).

Almost surely, 2^40180840500 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 40180840500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61209727488).

40180840500 is an abundant number, since it is smaller than the sum of its proper divisors (82238614476).

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

40180840500 is a wasteful number, since it uses less digits than its factorization.

40180840500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011 (or 13999 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The spelling of 40180840500 in words is "forty billion, one hundred eighty million, eight hundred forty thousand, five hundred".