40840551123 has 64 divisors (see below), whose sum is σ = 59382435840. Its totient is φ = 24908083200.

The previous prime is 40840551121. The next prime is 40840551127. The reversal of 40840551123 is 32115504804.

It is not a de Polignac number, because 40840551123 - 2¹ = 40840551121 is a prime.

It is a super-2 number, since 2×40840551123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40840551121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47543868 + ... + 47544726.

It is an arithmetic number, because the mean of its divisors is an integer number (927850560).

Almost surely, 2^40840551123 is an apocalyptic number.

40840551123 is a deficient number, since it is larger than the sum of its proper divisors (18541884717).

40840551123 is a wasteful number, since it uses less digits than its factorization.

40840551123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 19200, while the sum is 33.

The spelling of 40840551123 in words is "forty billion, eight hundred forty million, five hundred fifty-one thousand, one hundred twenty-three".