40043440410 has 32 divisors (see below), whose sum is σ = 99418199040. Its totient is φ = 10310035008.

The previous prime is 40043440399. The next prime is 40043440453. The reversal of 40043440410 is 1404434004.

It is a Curzon number.

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, 23012602 + ... + 23014341.

It is an arithmetic number, because the mean of its divisors is an integer number (3106818720).

Almost surely, 2^40043440410 is an apocalyptic number.

40043440410 is an abundant number, since it is smaller than the sum of its proper divisors (59374758630).

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

40043440410 is a wasteful number, since it uses less digits than its factorization.

40043440410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46026982.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40043440410 its reverse (1404434004), we get a palindrome (41447874414).

The spelling of 40043440410 in words is "forty billion, forty-three million, four hundred forty thousand, four hundred ten".