400413334042040 has 32 divisors (see below), whose sum is σ = 982832729013360. Its totient is φ = 145604848742400.

The previous prime is 400413334042039. The next prime is 400413334042081. The reversal of 400413334042040 is 40240433314004.

It is a junction number, because it is equal to n+sod(n) for n = 400413334041988 and 400413334042006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455015151881 + ... + 455015152760.

Almost surely, 2^{400413334042040} is an apocalyptic number.

400413334042040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400413334042040 is an abundant number, since it is smaller than the sum of its proper divisors (582419394971320).

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

400413334042040 is a wasteful number, since it uses less digits than its factorization.

400413334042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910030304663 (or 910030304659 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 400413334042040 its reverse (40240433314004), we get a palindrome (440653767356044).

The spelling of 400413334042040 in words is "four hundred trillion, four hundred thirteen billion, three hundred thirty-four million, forty-two thousand, forty".