40420882 has 4 divisors (see below), whose sum is σ = 60631326. Its totient is φ = 20210440.

The previous prime is 40420873. The next prime is 40420889. The reversal of 40420882 is 28802404.

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., 27468081 + 12952801 = 5241^2 + 3599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40420882.

It is not an unprimeable number, because it can be changed into a prime (40420889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105219 + ... + 10105222.

Almost surely, 2^40420882 is an apocalyptic number.

40420882 is a deficient number, since it is larger than the sum of its proper divisors (20210444).

40420882 is a wasteful number, since it uses less digits than its factorization.

40420882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20210443.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 40420882 is about 6357.7418947296. The cubic root of 40420882 is about 343.1905035290.

The spelling of 40420882 in words is "forty million, four hundred twenty thousand, eight hundred eighty-two".