40234340166655 has 4 divisors (see below), whose sum is σ = 48281208199992. Its totient is φ = 32187472133320.

The previous prime is 40234340166637. The next prime is 40234340166661. The reversal of 40234340166655 is 55666104343204.

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

It is not a de Polignac number, because 40234340166655 - 2³⁷ = 40096901213183 is a prime.

It is a super-2 number, since 2×40234340166655² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40234340166599 and 40234340166608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023434016661 + ... + 4023434016670.

It is an arithmetic number, because the mean of its divisors is an integer number (12070302049998).

Almost surely, 2^{40234340166655} is an apocalyptic number.

40234340166655 is a deficient number, since it is larger than the sum of its proper divisors (8046868033337).

40234340166655 is an equidigital number, since it uses as much as digits as its factorization.

40234340166655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046868033336.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 40234340166655 in words is "forty trillion, two hundred thirty-four billion, three hundred forty million, one hundred sixty-six thousand, six hundred fifty-five".