40279855105 has 16 divisors (see below), whose sum is σ = 55363996800. Its totient is φ = 27558945792.

The previous prime is 40279855061. The next prime is 40279855139. The reversal of 40279855105 is 50155897204.

It is not a de Polignac number, because 40279855105 - 2¹³ = 40279846913 is a prime.

It is a super-2 number, since 2×40279855105² (a number of 22 digits) contains 22 as substring.

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, 1265859 + ... + 1297288.

It is an arithmetic number, because the mean of its divisors is an integer number (3460249800).

Almost surely, 2^40279855105 is an apocalyptic number.

It is an amenable number.

40279855105 is a deficient number, since it is larger than the sum of its proper divisors (15084141695).

40279855105 is a wasteful number, since it uses less digits than its factorization.

40279855105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563608.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 40279855105 in words is "forty billion, two hundred seventy-nine million, eight hundred fifty-five thousand, one hundred five".