400241233040 has 40 divisors (see below), whose sum is σ = 1015157311488. Its totient is φ = 145542266240.

The previous prime is 400241233019. The next prime is 400241233081. The reversal of 400241233040 is 40332142004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 400241232997 and 400241233015.

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, 227408912 + ... + 227410671.

Almost surely, 2^400241233040 is an apocalyptic number.

400241233040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400241233040 is an abundant number, since it is smaller than the sum of its proper divisors (614916078448).

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

400241233040 is a wasteful number, since it uses less digits than its factorization.

400241233040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454819607 (or 454819601 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 400241233040 its reverse (40332142004), we get a palindrome (440573375044).

The spelling of 400241233040 in words is "four hundred billion, two hundred forty-one million, two hundred thirty-three thousand, forty".