40023433100 has 72 divisors (see below), whose sum is σ = 99473299968. Its totient is φ = 13692571200.

The previous prime is 40023433067. The next prime is 40023433181. The reversal of 40023433100 is 133432004.

It is a super-2 number, since 2×40023433100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 262355 + ... + 385845.

Almost surely, 2^40023433100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40023433100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49736649984).

40023433100 is an abundant number, since it is smaller than the sum of its proper divisors (59449866868).

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

40023433100 is a wasteful number, since it uses less digits than its factorization.

40023433100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123975 (or 123968 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40023433100 its reverse (133432004), we get a palindrome (40156865104).

It can be divided in two parts, 400234 and 33100, that added together give a palindrome (433334).

The spelling of 40023433100 in words is "forty billion, twenty-three million, four hundred thirty-three thousand, one hundred".