40122551347 has 4 divisors (see below), whose sum is σ = 40687657776. Its totient is φ = 39557444920.

The previous prime is 40122551341. The next prime is 40122551369. The reversal of 40122551347 is 74315522104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40122551347 - 2¹⁹ = 40122027059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122551341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282553108 + ... + 282553249.

It is an arithmetic number, because the mean of its divisors is an integer number (10171914444).

Almost surely, 2^40122551347 is an apocalyptic number.

40122551347 is a deficient number, since it is larger than the sum of its proper divisors (565106429).

40122551347 is an equidigital number, since it uses as much as digits as its factorization.

40122551347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565106428.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 40122551347 in words is "forty billion, one hundred twenty-two million, five hundred fifty-one thousand, three hundred forty-seven".