40279000200 has 96 divisors (see below), whose sum is σ = 124968787200. Its totient is φ = 10732130560.

The previous prime is 40279000183. The next prime is 40279000207. The reversal of 40279000200 is 200097204.

It is a super-2 number, since 2×40279000200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40279000207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 710089 + ... + 764711.

It is an arithmetic number, because the mean of its divisors is an integer number (1301758200).

Almost surely, 2^40279000200 is an apocalyptic number.

40279000200 is a gapful number since it is divisible by the number (40) 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 40279000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62484393600).

40279000200 is an abundant number, since it is smaller than the sum of its proper divisors (84689787000).

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

40279000200 is a wasteful number, since it uses less digits than its factorization.

40279000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55871 (or 55862 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 40279000200 its reverse (200097204), we get a palindrome (40479097404).

The spelling of 40279000200 in words is "forty billion, two hundred seventy-nine million, two hundred", and thus it is an aban number.