40625215140 has 48 divisors (see below), whose sum is σ = 113771185920. Its totient is φ = 10831430400.

The previous prime is 40625215133. The next prime is 40625215259. The reversal of 40625215140 is 4151252604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 40625215098 and 40625215107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289701 + ... + 406419.

It is an arithmetic number, because the mean of its divisors is an integer number (2370233040).

Almost surely, 2^40625215140 is an apocalyptic number.

It is an amenable number.

40625215140 is an abundant number, since it is smaller than the sum of its proper divisors (73145970780).

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

40625215140 is a wasteful number, since it uses less digits than its factorization.

40625215140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122532 (or 122530 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 40625215140 its reverse (4151252604), we get a palindrome (44776467744).

The spelling of 40625215140 in words is "forty billion, six hundred twenty-five million, two hundred fifteen thousand, one hundred forty".