40244432200 has 96 divisors (see below), whose sum is σ = 107015650560. Its totient is φ = 13787712000.

The previous prime is 40244432153. The next prime is 40244432203. The reversal of 40244432200 is 223444204.

It is a super-2 number, since 2×40244432200² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40244432203) 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, 1982100 + ... + 2002300.

It is an arithmetic number, because the mean of its divisors is an integer number (1114746360).

Almost surely, 2^40244432200 is an apocalyptic number.

40244432200 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 40244432200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53507825280).

40244432200 is an abundant number, since it is smaller than the sum of its proper divisors (66771218360).

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

40244432200 is a wasteful number, since it uses less digits than its factorization.

40244432200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647 (or 21638 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40244432200 its reverse (223444204), we get a palindrome (40467876404).

The spelling of 40244432200 in words is "forty billion, two hundred forty-four million, four hundred thirty-two thousand, two hundred".