40979762 has 4 divisors (see below), whose sum is σ = 61469646. Its totient is φ = 20489880.

The previous prime is 40979761. The next prime is 40979773. The reversal of 40979762 is 26797904.

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., 40056241 + 923521 = 6329^2 + 961^2 .

It is not an unprimeable number, because it can be changed into a prime (40979761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10244939 + ... + 10244942.

Almost surely, 2^40979762 is an apocalyptic number.

40979762 is a deficient number, since it is larger than the sum of its proper divisors (20489884).

40979762 is a wasteful number, since it uses less digits than its factorization.

40979762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20489883.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 40979762 is about 6401.5437200725. The cubic root of 40979762 is about 344.7649789116.

The spelling of 40979762 in words is "forty million, nine hundred seventy-nine thousand, seven hundred sixty-two".