40400241312 has 96 divisors (see below), whose sum is σ = 108597283200. Its totient is φ = 13145932800.

The previous prime is 40400241307. The next prime is 40400241331. The reversal of 40400241312 is 21314200404.

It is a tau number, because it is divible by the number of its divisors (96).

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, 992562 + ... + 1032462.

It is an arithmetic number, because the mean of its divisors is an integer number (1131221700).

Almost surely, 2^40400241312 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 40400241312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54298641600).

40400241312 is an abundant number, since it is smaller than the sum of its proper divisors (68197041888).

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

40400241312 is a wasteful number, since it uses less digits than its factorization.

40400241312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40166 (or 40158 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40400241312 its reverse (21314200404), we get a palindrome (61714441716).

The spelling of 40400241312 in words is "forty billion, four hundred million, two hundred forty-one thousand, three hundred twelve".