40236212352 has 128 divisors (see below), whose sum is σ = 122481469440. Its totient is φ = 11464455168.

The previous prime is 40236212347. The next prime is 40236212377. The reversal of 40236212352 is 25321263204.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966103 + ... + 1006889.

It is an arithmetic number, because the mean of its divisors is an integer number (956886480).

Almost surely, 2^40236212352 is an apocalyptic number.

40236212352 is a gapful number since it is divisible by the number (42) 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 40236212352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61240734720).

40236212352 is an abundant number, since it is smaller than the sum of its proper divisors (82245257088).

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

40236212352 is a wasteful number, since it uses less digits than its factorization.

40236212352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41178 (or 41166 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 40236212352 its reverse (25321263204), we get a palindrome (65557475556).

The spelling of 40236212352 in words is "forty billion, two hundred thirty-six million, two hundred twelve thousand, three hundred fifty-two".