40002550120 has 192 divisors, whose sum is σ = 101270736000. Its totient is φ = 14197607424.

The previous prime is 40002550117. The next prime is 40002550121. The reversal of 40002550120 is 2105520004.

It is a super-2 number, since 2×40002550120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40002550121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82140517 + ... + 82141003.

It is an arithmetic number, because the mean of its divisors is an integer number (527451750).

Almost surely, 2^40002550120 is an apocalyptic number.

40002550120 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 40002550120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50635368000).

40002550120 is an abundant number, since it is smaller than the sum of its proper divisors (61268185880).

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

40002550120 is a wasteful number, since it uses less digits than its factorization.

40002550120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The spelling of 40002550120 in words is "forty billion, two million, five hundred fifty thousand, one hundred twenty".