40404002140 has 48 divisors (see below), whose sum is σ = 86927686272. Its totient is φ = 15767722496.

The previous prime is 40404002129. The next prime is 40404002159. The reversal of 40404002140 is 4120040404.

It is a congruent 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, 230184 + ... + 365776.

It is an arithmetic number, because the mean of its divisors is an integer number (1810993464).

Almost surely, 2^40404002140 is an apocalyptic number.

It is an amenable number.

40404002140 is an abundant number, since it is smaller than the sum of its proper divisors (46523684132).

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

40404002140 is a wasteful number, since it uses less digits than its factorization.

40404002140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135966 (or 135964 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 40404002140 its reverse (4120040404), we get a palindrome (44524042544).

The spelling of 40404002140 in words is "forty billion, four hundred four million, two thousand, one hundred forty".