40253934843 has 24 divisors (see below), whose sum is σ = 58762974816. Its totient is φ = 26550720000.

The previous prime is 40253934839. The next prime is 40253934943. The reversal of 40253934843 is 34843935204.

40253934843 is a `hidden beast` number, since 4 + 0 + 2 + 539 + 34 + 84 + 3 = 666.

It is not a de Polignac number, because 40253934843 - 2² = 40253934839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40253934943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3828093 + ... + 3838593.

It is an arithmetic number, because the mean of its divisors is an integer number (2448457284).

Almost surely, 2^40253934843 is an apocalyptic number.

40253934843 is a deficient number, since it is larger than the sum of its proper divisors (18509039973).

40253934843 is a wasteful number, since it uses less digits than its factorization.

40253934843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14995 (or 14992 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 40253934843 in words is "forty billion, two hundred fifty-three million, nine hundred thirty-four thousand, eight hundred forty-three".