403020100240 has 80 divisors (see below), whose sum is σ = 1006114711680. Its totient is φ = 149588203520.

The previous prime is 403020100213. The next prime is 403020100247. The reversal of 403020100240 is 42001020304.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (403020100247) 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, 1990330 + ... + 2183449.

It is an arithmetic number, because the mean of its divisors is an integer number (12576433896).

Almost surely, 2^403020100240 is an apocalyptic number.

403020100240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403020100240 is an abundant number, since it is smaller than the sum of its proper divisors (603094611440).

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

403020100240 is a wasteful number, since it uses less digits than its factorization.

403020100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173880 (or 4173874 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 403020100240 its reverse (42001020304), we get a palindrome (445021120544).

The spelling of 403020100240 in words is "four hundred three billion, twenty million, one hundred thousand, two hundred forty".