40858613652 has 24 divisors (see below), whose sum is σ = 95341125600. Its totient is φ = 13618914976.

The previous prime is 40858613651. The next prime is 40858613713. The reversal of 40858613652 is 25631685804.

It is a happy number.

It is a super-3 number, since 3×40858613652³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40858613651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 250999 + ... + 380417.

It is an arithmetic number, because the mean of its divisors is an integer number (3972546900).

Almost surely, 2^40858613652 is an apocalyptic number.

It is an amenable number.

40858613652 is an abundant number, since it is smaller than the sum of its proper divisors (54482511948).

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

40858613652 is a wasteful number, since it uses less digits than its factorization.

40858613652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155735 (or 155733 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 40858613652 in words is "forty billion, eight hundred fifty-eight million, six hundred thirteen thousand, six hundred fifty-two".