40234021100 has 72 divisors (see below), whose sum is σ = 107455809888. Its totient is φ = 12733401600.

The previous prime is 40234021021. The next prime is 40234021127. The reversal of 40234021100 is 112043204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2201561 + ... + 2219760.

It is an arithmetic number, because the mean of its divisors is an integer number (1492441804).

Almost surely, 2^40234021100 is an apocalyptic number.

It is an amenable number.

40234021100 is an abundant number, since it is smaller than the sum of its proper divisors (67221788788).

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

40234021100 is a wasteful number, since it uses less digits than its factorization.

40234021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421355 (or 4421348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40234021100 its reverse (112043204), we get a palindrome (40346064304).

The spelling of 40234021100 in words is "forty billion, two hundred thirty-four million, twenty-one thousand, one hundred".