403234100040 has 64 divisors (see below), whose sum is σ = 1242396970560. Its totient is φ = 104622900480.

The previous prime is 403234100033. The next prime is 403234100041. The reversal of 403234100040 is 40001432304.

It is not an unprimeable number, because it can be changed into a prime (403234100041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45404806 + ... + 45413685.

It is an arithmetic number, because the mean of its divisors is an integer number (19412452665).

Almost surely, 2^403234100040 is an apocalyptic number.

403234100040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403234100040 is an abundant number, since it is smaller than the sum of its proper divisors (839162870520).

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

403234100040 is a wasteful number, since it uses less digits than its factorization.

403234100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818542 (or 90818538 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 403234100040 its reverse (40001432304), we get a palindrome (443235532344).

The spelling of 403234100040 in words is "four hundred three billion, two hundred thirty-four million, one hundred thousand, forty".