40125020120 has 16 divisors (see below), whose sum is σ = 90281295360. Its totient is φ = 16050008032.

The previous prime is 40125020069. The next prime is 40125020141. The reversal of 40125020120 is 2102052104.

It is a super-2 number, since 2×40125020120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501562712 + ... + 501562791.

It is an arithmetic number, because the mean of its divisors is an integer number (5642580960).

Almost surely, 2^40125020120 is an apocalyptic number.

40125020120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40125020120 is an abundant number, since it is smaller than the sum of its proper divisors (50156275240).

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

40125020120 is a wasteful number, since it uses less digits than its factorization.

40125020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003125514 (or 1003125510 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 40125020120 its reverse (2102052104), we get a palindrome (42227072224).

The spelling of 40125020120 in words is "forty billion, one hundred twenty-five million, twenty thousand, one hundred twenty".