40401402004 has 6 divisors (see below), whose sum is σ = 70702453514. Its totient is φ = 20200701000.

The previous prime is 40401401987. The next prime is 40401402017. The reversal of 40401402004 is 40020410404.

It can be written as a sum of positive squares in only one way, i.e., 39704547600 + 696854404 = 199260^2 + 26398^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050175247 + ... + 5050175254.

Almost surely, 2^40401402004 is an apocalyptic number.

It is an amenable number.

40401402004 is a deficient number, since it is larger than the sum of its proper divisors (30301051510).

40401402004 is a wasteful number, since it uses less digits than its factorization.

40401402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100350505 (or 10100350503 counting only the distinct ones).

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

Adding to 40401402004 its reverse (40020410404), we get a palindrome (80421812408).

The spelling of 40401402004 in words is "forty billion, four hundred one million, four hundred two thousand, four".