40750605 has 36 divisors (see below), whose sum is σ = 82170972. Its totient is φ = 18627840.

The previous prime is 40750561. The next prime is 40750607. The reversal of 40750605 is 50605704.

40750605 is a `hidden beast` number, since 4 + 0 + 7 + 50 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28451556 + 12299049 = 5334^2 + 3507^2 .

It is not a de Polignac number, because 40750605 - 2⁷ = 40750477 is a prime.

It is a super-2 number, since 2×40750605² = 3321223615732050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40750607) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7036 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (2282527).

Almost surely, 2^40750605 is an apocalyptic number.

40750605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40750605 is an abundant number, since it is smaller than the sum of its proper divisors (41420367).

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

40750605 is a wasteful number, since it uses less digits than its factorization.

40750605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18506 (or 18496 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 40750605 is about 6383.6200544832. The cubic root of 40750605 is about 344.1211405196.

The spelling of 40750605 in words is "forty million, seven hundred fifty thousand, six hundred five".