40343949051 has 12 divisors (see below), whose sum is σ = 62574288552. Its totient is φ = 23053685088.

The previous prime is 40343949049. The next prime is 40343949059. The reversal of 40343949051 is 15094934304.

It is not a de Polignac number, because 40343949051 - 2¹ = 40343949049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40343948994 and 40343949012.

It is not an unprimeable number, because it can be changed into a prime (40343949059) 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 11 ways as a sum of consecutive naturals, for example, 137224170 + ... + 137224463.

It is an arithmetic number, because the mean of its divisors is an integer number (5214524046).

Almost surely, 2^40343949051 is an apocalyptic number.

40343949051 is a deficient number, since it is larger than the sum of its proper divisors (22230339501).

40343949051 is a wasteful number, since it uses less digits than its factorization.

40343949051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274448650 (or 274448643 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 40343949051 in words is "forty billion, three hundred forty-three million, nine hundred forty-nine thousand, fifty-one".