40625753085 has 24 divisors (see below), whose sum is σ = 70423160184. Its totient is φ = 21665472000.

The previous prime is 40625753059. The next prime is 40625753123. The reversal of 40625753085 is 58035752604.

40625753085 is a `hidden beast` number, since 4 + 0 + 62 + 57 + 530 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11009124 + 40614743961 = 3318^2 + 201531^2 .

It is not a de Polignac number, because 40625753085 - 2¹³ = 40625744893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40625753085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831289 + ... + 878801.

It is an arithmetic number, because the mean of its divisors is an integer number (2934298341).

Almost surely, 2^40625753085 is an apocalyptic number.

40625753085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40625753085 is a deficient number, since it is larger than the sum of its proper divisors (29797407099).

40625753085 is a wasteful number, since it uses less digits than its factorization.

40625753085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66525 (or 66522 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 40625753085 in words is "forty billion, six hundred twenty-five million, seven hundred fifty-three thousand, eighty-five".