40432021124 has 12 divisors (see below), whose sum is σ = 77188404048. Its totient is φ = 18378191400.

The previous prime is 40432021121. The next prime is 40432021151. The reversal of 40432021124 is 42112023404.

It is a self number, because there is not a number n which added to its sum of digits gives 40432021124.

It is not an unprimeable number, because it can be changed into a prime (40432021121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459454742 + ... + 459454829.

It is an arithmetic number, because the mean of its divisors is an integer number (6432367004).

Almost surely, 2^40432021124 is an apocalyptic number.

40432021124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40432021124 is a deficient number, since it is larger than the sum of its proper divisors (36756382924).

40432021124 is a wasteful number, since it uses less digits than its factorization.

40432021124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918909586 (or 918909584 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40432021124 its reverse (42112023404), we get a palindrome (82544044528).

The spelling of 40432021124 in words is "forty billion, four hundred thirty-two million, twenty-one thousand, one hundred twenty-four".