40705286 has 4 divisors (see below), whose sum is σ = 61057932. Its totient is φ = 20352642.

The previous prime is 40705283. The next prime is 40705289. The reversal of 40705286 is 68250704.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40705283) and next prime (40705289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40705283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176320 + ... + 10176323.

It is an arithmetic number, because the mean of its divisors is an integer number (15264483).

Almost surely, 2^40705286 is an apocalyptic number.

40705286 is a deficient number, since it is larger than the sum of its proper divisors (20352646).

40705286 is a wasteful number, since it uses less digits than its factorization.

40705286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352645.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 40705286 is about 6380.0694353588. The cubic root of 40705286 is about 343.9935267846.

The spelling of 40705286 in words is "forty million, seven hundred five thousand, two hundred eighty-six".