403523424232240 has 80 divisors (see below), whose sum is σ = 1012693971125088. Its totient is φ = 148649168867328.

The previous prime is 403523424232207. The next prime is 403523424232261. The reversal of 403523424232240 is 42232424325304.

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

It is a super-2 number, since 2×403523424232240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 403523424232193 and 403523424232202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447590434 + ... + 448491073.

Almost surely, 2^{403523424232240} is an apocalyptic number.

403523424232240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403523424232240 is an abundant number, since it is smaller than the sum of its proper divisors (609170546892848).

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

403523424232240 is a wasteful number, since it uses less digits than its factorization.

403523424232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896081966 (or 896081960 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 40.

Adding to 403523424232240 its reverse (42232424325304), we get a palindrome (445755848557544).

The spelling of 403523424232240 in words is "four hundred three trillion, five hundred twenty-three billion, four hundred twenty-four million, two hundred thirty-two thousand, two hundred forty".