40213103421 has 16 divisors (see below), whose sum is σ = 55112025024. Its totient is φ = 26062654464.

The previous prime is 40213103419. The next prime is 40213103449. The reversal of 40213103421 is 12430131204.

It is not a de Polignac number, because 40213103421 - 2¹ = 40213103419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40213103401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13755 + ... + 283928.

It is an arithmetic number, because the mean of its divisors is an integer number (3444501564).

Almost surely, 2^40213103421 is an apocalyptic number.

It is an amenable number.

40213103421 is a deficient number, since it is larger than the sum of its proper divisors (14898921603).

40213103421 is a wasteful number, since it uses less digits than its factorization.

40213103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298940.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 40213103421 its reverse (12430131204), we get a palindrome (52643234625).

The spelling of 40213103421 in words is "forty billion, two hundred thirteen million, one hundred three thousand, four hundred twenty-one".