40696906 has 4 divisors (see below), whose sum is σ = 61045362. Its totient is φ = 20348452.

The previous prime is 40696897. The next prime is 40696907. The reversal of 40696906 is 60969604.

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

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 10830681 = 5465^2 + 3291^2 .

It is not an unprimeable number, because it can be changed into a prime (40696907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174225 + ... + 10174228.

Almost surely, 2^40696906 is an apocalyptic number.

40696906 is a deficient number, since it is larger than the sum of its proper divisors (20348456).

40696906 is a wasteful number, since it uses less digits than its factorization.

40696906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20348455.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 40696906 is about 6379.4126688905. The cubic root of 40696906 is about 343.9699191743.

The spelling of 40696906 in words is "forty million, six hundred ninety-six thousand, nine hundred six".