40270120705 has 16 divisors (see below), whose sum is σ = 49616804160. Its totient is φ = 31359440448.

The previous prime is 40270120633. The next prime is 40270120733. The reversal of 40270120705 is 50702107204.

It is a cyclic number.

It is not a de Polignac number, because 40270120705 - 2¹¹ = 40270118657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256635 + ... + 382624.

It is an arithmetic number, because the mean of its divisors is an integer number (3101050260).

Almost surely, 2^40270120705 is an apocalyptic number.

It is an amenable number.

40270120705 is a deficient number, since it is larger than the sum of its proper divisors (9346683455).

40270120705 is a wasteful number, since it uses less digits than its factorization.

40270120705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639600.

The product of its (nonzero) digits is 3920, while the sum is 28.

Adding to 40270120705 its reverse (50702107204), we get a palindrome (90972227909).

It can be divided in two parts, 40270120 and 705, that added together give a triangular number (40270825 = T₈₉₇₄).

The spelling of 40270120705 in words is "forty billion, two hundred seventy million, one hundred twenty thousand, seven hundred five".