40231403034021 has 32 divisors (see below), whose sum is σ = 61006401054720. Its totient is φ = 26189363076912.

The previous prime is 40231403034007. The next prime is 40231403034029. The reversal of 40231403034021 is 12043030413204.

40231403034021 is a `hidden beast` number, since 4 + 0 + 2 + 314 + 0 + 3 + 0 + 340 + 2 + 1 = 666.

40231403034021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40231403034021 - 2¹¹ = 40231403031973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231403034029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1290765 + ... + 9062498.

It is an arithmetic number, because the mean of its divisors is an integer number (1906450032960).

Almost surely, 2^{40231403034021} is an apocalyptic number.

It is an amenable number.

40231403034021 is a deficient number, since it is larger than the sum of its proper divisors (20774998020699).

40231403034021 is a wasteful number, since it uses less digits than its factorization.

40231403034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10356662 (or 10356656 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40231403034021 its reverse (12043030413204), we get a palindrome (52274433447225).

The spelling of 40231403034021 in words is "forty trillion, two hundred thirty-one billion, four hundred three million, thirty-four thousand, twenty-one".