40347538413 has 16 divisors (see below), whose sum is σ = 66211345536. Its totient is φ = 21282217920.

The previous prime is 40347538349. The next prime is 40347538447. The reversal of 40347538413 is 31483574304.

It is not a de Polignac number, because 40347538413 - 2⁶ = 40347538349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40347538463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73896318 + ... + 73896863.

It is an arithmetic number, because the mean of its divisors is an integer number (4138209096).

Almost surely, 2^40347538413 is an apocalyptic number.

It is an amenable number.

40347538413 is a deficient number, since it is larger than the sum of its proper divisors (25863807123).

40347538413 is a wasteful number, since it uses less digits than its factorization.

40347538413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147793204.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 40347538413 in words is "forty billion, three hundred forty-seven million, five hundred thirty-eight thousand, four hundred thirteen".