40231233020 has 24 divisors (see below), whose sum is σ = 92166097968. Its totient is φ = 14629539200.

The previous prime is 40231233011. The next prime is 40231233059. The reversal of 40231233020 is 2033213204.

It is a super-2 number, since 2×40231233020² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 40231232983 and 40231233001.

It is a congruent number.

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, 91434401 + ... + 91434840.

It is an arithmetic number, because the mean of its divisors is an integer number (3840254082).

Almost surely, 2^40231233020 is an apocalyptic number.

It is an amenable number.

40231233020 is an abundant number, since it is smaller than the sum of its proper divisors (51934864948).

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

40231233020 is a wasteful number, since it uses less digits than its factorization.

40231233020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182869261 (or 182869259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40231233020 its reverse (2033213204), we get a palindrome (42264446224).

The spelling of 40231233020 in words is "forty billion, two hundred thirty-one million, two hundred thirty-three thousand, twenty".