40234334121 has 8 divisors (see below), whose sum is σ = 59606420960. Its totient is φ = 26822889396.

The previous prime is 40234334113. The next prime is 40234334123. The reversal of 40234334121 is 12143343204.

It is not a de Polignac number, because 40234334121 - 2³ = 40234334113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1490160523 = 40234334121 / (4 + 0 + 2 + 3 + 4 + 3 + 3 + 4 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40234334123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745080235 + ... + 745080288.

It is an arithmetic number, because the mean of its divisors is an integer number (7450802620).

Almost surely, 2^40234334121 is an apocalyptic number.

It is an amenable number.

40234334121 is a deficient number, since it is larger than the sum of its proper divisors (19372086839).

40234334121 is a wasteful number, since it uses less digits than its factorization.

40234334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490160532 (or 1490160526 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 40234334121 its reverse (12143343204), we get a palindrome (52377677325).

The spelling of 40234334121 in words is "forty billion, two hundred thirty-four million, three hundred thirty-four thousand, one hundred twenty-one".