40231033444 has 24 divisors (see below), whose sum is σ = 80472490560. Its totient is φ = 17239637856.

The previous prime is 40231033429. The next prime is 40231033471. The reversal of 40231033444 is 44433013204.

It is a super-2 number, since 2×40231033444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 136899 + ... + 314965.

It is an arithmetic number, because the mean of its divisors is an integer number (3353020440).

Almost surely, 2^40231033444 is an apocalyptic number.

It is an amenable number.

40231033444 is an abundant number, since it is smaller than the sum of its proper divisors (40241457116).

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

40231033444 is a wasteful number, since it uses less digits than its factorization.

40231033444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186147 (or 186145 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40231033444 its reverse (44433013204), we get a palindrome (84664046648).

The spelling of 40231033444 in words is "forty billion, two hundred thirty-one million, thirty-three thousand, four hundred forty-four".