40025130240 has 72 divisors (see below), whose sum is σ = 127830271968. Its totient is φ = 10673367040.

The previous prime is 40025130217. The next prime is 40025130251. The reversal of 40025130240 is 4203152004.

It is a super-2 number, since 2×40025130240² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5207766 + ... + 5215445.

It is an arithmetic number, because the mean of its divisors is an integer number (1775420444).

Almost surely, 2^40025130240 is an apocalyptic number.

40025130240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40025130240 is an abundant number, since it is smaller than the sum of its proper divisors (87805141728).

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

40025130240 is a wasteful number, since it uses less digits than its factorization.

40025130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423235 (or 10423221 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 40025130240 its reverse (4203152004), we get a palindrome (44228282244).

The spelling of 40025130240 in words is "forty billion, twenty-five million, one hundred thirty thousand, two hundred forty".