40693943420 has 24 divisors (see below), whose sum is σ = 92030918784. Its totient is φ = 15025455936.

The previous prime is 40693943419. The next prime is 40693943453. The reversal of 40693943420 is 2434939604.

40693943420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40693943420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 78257324 + ... + 78257843.

It is an arithmetic number, because the mean of its divisors is an integer number (3834621616).

Almost surely, 2^40693943420 is an apocalyptic number.

It is an amenable number.

40693943420 is an abundant number, since it is smaller than the sum of its proper divisors (51336975364).

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

40693943420 is a wasteful number, since it uses less digits than its factorization.

40693943420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156515189 (or 156515187 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 40693943420 in words is "forty billion, six hundred ninety-three million, nine hundred forty-three thousand, four hundred twenty".