40825478652 has 24 divisors (see below), whose sum is σ = 108867943296. Its totient is φ = 11664422448.

The previous prime is 40825478651. The next prime is 40825478663. The reversal of 40825478652 is 25687452804.

It is a junction number, because it is equal to n+sod(n) for n = 40825478595 and 40825478604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40825478651) 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, 243008718 + ... + 243008885.

It is an arithmetic number, because the mean of its divisors is an integer number (4536164304).

Almost surely, 2^40825478652 is an apocalyptic number.

40825478652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40825478652 is an abundant number, since it is smaller than the sum of its proper divisors (68042464644).

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

40825478652 is a wasteful number, since it uses less digits than its factorization.

40825478652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486017617 (or 486017615 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 40825478652 in words is "forty billion, eight hundred twenty-five million, four hundred seventy-eight thousand, six hundred fifty-two".