40511421404 has 12 divisors (see below), whose sum is σ = 73977378384. Its totient is φ = 19375027584.

The previous prime is 40511421371. The next prime is 40511421407. The reversal of 40511421404 is 40412411504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40511421407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220170677 + ... + 220170860.

It is an arithmetic number, because the mean of its divisors is an integer number (6164781532).

Almost surely, 2^40511421404 is an apocalyptic number.

It is an amenable number.

40511421404 is a deficient number, since it is larger than the sum of its proper divisors (33465956980).

40511421404 is a wasteful number, since it uses less digits than its factorization.

40511421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440341564 (or 440341562 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 40511421404 its reverse (40412411504), we get a palindrome (80923832908).

The spelling of 40511421404 in words is "forty billion, five hundred eleven million, four hundred twenty-one thousand, four hundred four".