40632705 has 32 divisors (see below), whose sum is σ = 72501120. Its totient is φ = 21591360.

The previous prime is 40632701. The next prime is 40632731. The reversal of 40632705 is 50723604.

It is a happy number.

It is not a de Polignac number, because 40632705 - 2² = 40632701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40632701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65979 + ... + 66591.

It is an arithmetic number, because the mean of its divisors is an integer number (2265660).

Almost surely, 2^40632705 is an apocalyptic number.

40632705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40632705 is a deficient number, since it is larger than the sum of its proper divisors (31868415).

40632705 is a wasteful number, since it uses less digits than its factorization.

40632705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40632705 is about 6374.3787932629. The cubic root of 40632705 is about 343.7889485344.

The spelling of 40632705 in words is "forty million, six hundred thirty-two thousand, seven hundred five".