40003043344 has 60 divisors (see below), whose sum is σ = 87270469020. Its totient is φ = 17739673600.

The previous prime is 40003043317. The next prime is 40003043351. The reversal of 40003043344 is 44334030004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14534713600 + 25468329744 = 120560^2 + 159588^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172609 + ... + 331360.

It is an arithmetic number, because the mean of its divisors is an integer number (1454507817).

Almost surely, 2^40003043344 is an apocalyptic number.

40003043344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40003043344 is an abundant number, since it is smaller than the sum of its proper divisors (47267425676).

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

40003043344 is a wasteful number, since it uses less digits than its factorization.

40003043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504040 (or 504023 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40003043344 its reverse (44334030004), we get a palindrome (84337073348).

The spelling of 40003043344 in words is "forty billion, three million, forty-three thousand, three hundred forty-four".