403031041040 has 20 divisors (see below), whose sum is σ = 937047170604. Its totient is φ = 161212416384.

The previous prime is 403031041033. The next prime is 403031041079. The reversal of 403031041040 is 40140130304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94197431056 + 308833609984 = 306916^2 + 555728^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2518943927 + ... + 2518944086.

Almost surely, 2^403031041040 is an apocalyptic number.

403031041040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403031041040 is an abundant number, since it is smaller than the sum of its proper divisors (534016129564).

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

403031041040 is a wasteful number, since it uses less digits than its factorization.

403031041040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037888026 (or 5037888020 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 403031041040 its reverse (40140130304), we get a palindrome (443171171344).

The spelling of 403031041040 in words is "four hundred three billion, thirty-one million, forty-one thousand, forty".