40001102000 has 160 divisors (see below), whose sum is σ = 102640037760. Its totient is φ = 15025766400.

The previous prime is 40001101979. The next prime is 40001102003. The reversal of 40001102000 is 20110004.

It is a super-2 number, since 2×40001102000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (40001102003) 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, 19616981 + ... + 19619019.

It is an arithmetic number, because the mean of its divisors is an integer number (641500236).

Almost surely, 2^40001102000 is an apocalyptic number.

40001102000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40001102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51320018880).

40001102000 is an abundant number, since it is smaller than the sum of its proper divisors (62638935760).

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

40001102000 is a wasteful number, since it uses less digits than its factorization.

40001102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2640 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 40001102000 its reverse (20110004), we get a palindrome (40021212004).

The spelling of 40001102000 in words is "forty billion, one million, one hundred two thousand".