40345355061 has 48 divisors (see below), whose sum is σ = 64279006272. Its totient is φ = 24181344000.

The previous prime is 40345355059. The next prime is 40345355153. The reversal of 40345355061 is 16055354304.

40345355061 is a `hidden beast` number, since 4 + 0 + 3 + 45 + 3 + 550 + 61 = 666.

It is not a de Polignac number, because 40345355061 - 2¹ = 40345355059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345355021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11227081 + ... + 11230673.

It is an arithmetic number, because the mean of its divisors is an integer number (1339145964).

Almost surely, 2^40345355061 is an apocalyptic number.

It is an amenable number.

40345355061 is a deficient number, since it is larger than the sum of its proper divisors (23933651211).

40345355061 is a wasteful number, since it uses less digits than its factorization.

40345355061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834 (or 4831 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 40345355061 in words is "forty billion, three hundred forty-five million, three hundred fifty-five thousand, sixty-one".