40140641046 has 32 divisors (see below), whose sum is σ = 88398096768. Its totient is φ = 12050147840.

The previous prime is 40140641029. The next prime is 40140641063. The reversal of 40140641046 is 64014604104.

It is an interprime number because it is at equal distance from previous prime (40140641029) and next prime (40140641063).

It is a super-2 number, since 2×40140641046² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 2834955 + ... + 2849078.

It is an arithmetic number, because the mean of its divisors is an integer number (2762440524).

Almost surely, 2^40140641046 is an apocalyptic number.

40140641046 is an abundant number, since it is smaller than the sum of its proper divisors (48257455722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40140641046 is a wasteful number, since it uses less digits than its factorization.

40140641046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684156.

The product of its (nonzero) digits is 9216, while the sum is 30.

It can be divided in two parts, 40140 and 641046, that added together give a palindrome (681186).

The spelling of 40140641046 in words is "forty billion, one hundred forty million, six hundred forty-one thousand, forty-six".