40140821262 has 32 divisors (see below), whose sum is σ = 83193928704. Its totient is φ = 12898252800.

The previous prime is 40140821213. The next prime is 40140821321. The reversal of 40140821262 is 26212804104.

It is a super-2 number, since 2×40140821262² (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, 372064 + ... + 467667.

It is an arithmetic number, because the mean of its divisors is an integer number (2599810272).

Almost surely, 2^40140821262 is an apocalyptic number.

40140821262 is an abundant number, since it is smaller than the sum of its proper divisors (43053107442).

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

40140821262 is a wasteful number, since it uses less digits than its factorization.

40140821262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840024.

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 40140821262 in words is "forty billion, one hundred forty million, eight hundred twenty-one thousand, two hundred sixty-two".