40615425385 has 16 divisors (see below), whose sum is σ = 49266777600. Its totient is φ = 32142052800.

The previous prime is 40615425379. The next prime is 40615425401. The reversal of 40615425385 is 58352451604.

It is a de Polignac number, because none of the positive numbers 2^k-40615425385 is a prime.

It is a super-2 number, since 2×40615425385² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54160 + ... + 290110.

It is an arithmetic number, because the mean of its divisors is an integer number (3079173600).

Almost surely, 2^40615425385 is an apocalyptic number.

It is an amenable number.

40615425385 is a deficient number, since it is larger than the sum of its proper divisors (8651352215).

40615425385 is a wasteful number, since it uses less digits than its factorization.

40615425385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236328.

The product of its (nonzero) digits is 576000, while the sum is 43.

Adding to 40615425385 its reverse (58352451604), we get a palindrome (98967876989).

The spelling of 40615425385 in words is "forty billion, six hundred fifteen million, four hundred twenty-five thousand, three hundred eighty-five".