40401232124 has 12 divisors (see below), whose sum is σ = 77129625048. Its totient is φ = 18364196400.

The previous prime is 40401232121. The next prime is 40401232127. The reversal of 40401232124 is 42123210404.

It is an interprime number because it is at equal distance from previous prime (40401232121) and next prime (40401232127).

It is a self number, because there is not a number n which added to its sum of digits gives 40401232124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40401232121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459104867 + ... + 459104954.

It is an arithmetic number, because the mean of its divisors is an integer number (6427468754).

Almost surely, 2^40401232124 is an apocalyptic number.

40401232124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40401232124 is a deficient number, since it is larger than the sum of its proper divisors (36728392924).

40401232124 is a wasteful number, since it uses less digits than its factorization.

40401232124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918209836 (or 918209834 counting only the distinct ones).

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

Adding to 40401232124 its reverse (42123210404), we get a palindrome (82524442528).

The spelling of 40401232124 in words is "forty billion, four hundred one million, two hundred thirty-two thousand, one hundred twenty-four".