40834699655 has 4 divisors (see below), whose sum is σ = 49001639592. Its totient is φ = 32667759720.

The previous prime is 40834699651. The next prime is 40834699723. The reversal of 40834699655 is 55699643804.

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

It is not a de Polignac number, because 40834699655 - 2² = 40834699651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40834699594 and 40834699603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40834699651) 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, 4083469961 + ... + 4083469970.

It is an arithmetic number, because the mean of its divisors is an integer number (12250409898).

Almost surely, 2^40834699655 is an apocalyptic number.

40834699655 is a deficient number, since it is larger than the sum of its proper divisors (8166939937).

40834699655 is an equidigital number, since it uses as much as digits as its factorization.

40834699655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8166939936.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 40834699655 in words is "forty billion, eight hundred thirty-four million, six hundred ninety-nine thousand, six hundred fifty-five".