40234212843 has 32 divisors (see below), whose sum is σ = 59292283392. Its totient is φ = 24065184000.

The previous prime is 40234212833. The next prime is 40234212859. The reversal of 40234212843 is 34821243204.

It is not a de Polignac number, because 40234212843 - 2⁴ = 40234212827 is a prime.

It is a super-2 number, since 2×40234212843² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40234212833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023946 + ... + 1062512.

It is an arithmetic number, because the mean of its divisors is an integer number (1852883856).

Almost surely, 2^40234212843 is an apocalyptic number.

40234212843 is a deficient number, since it is larger than the sum of its proper divisors (19058070549).

40234212843 is a wasteful number, since it uses less digits than its factorization.

40234212843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38995.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 40234212843 in words is "forty billion, two hundred thirty-four million, two hundred twelve thousand, eight hundred forty-three".