40632853 has 6 divisors (see below), whose sum is σ = 40886294. Its totient is φ = 40380456.

The previous prime is 40632833. The next prime is 40632877. The reversal of 40632853 is 35823604.

It can be written as a sum of positive squares in only one way, i.e., 28751044 + 11881809 = 5362^2 + 3447^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40632853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40632833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105900 + ... + 106282.

Almost surely, 2^40632853 is an apocalyptic number.

It is an amenable number.

40632853 is a deficient number, since it is larger than the sum of its proper divisors (253441).

40632853 is an frugal number, since it uses more digits than its factorization.

40632853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40632853 is about 6374.3904022267. The cubic root of 40632853 is about 343.7893659380.

Subtracting from 40632853 its reverse (35823604), we obtain a square (4809249 = 2193²).

The spelling of 40632853 in words is "forty million, six hundred thirty-two thousand, eight hundred fifty-three".