40457602 has 4 divisors (see below), whose sum is σ = 60686406. Its totient is φ = 20228800.

The previous prime is 40457597. The next prime is 40457623. The reversal of 40457602 is 20675404.

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., 35390601 + 5067001 = 5949^2 + 2251^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10114399 + ... + 10114402.

Almost surely, 2^40457602 is an apocalyptic number.

40457602 is a deficient number, since it is larger than the sum of its proper divisors (20228804).

40457602 is a wasteful number, since it uses less digits than its factorization.

40457602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20228803.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 40457602 is about 6360.6290569408. The cubic root of 40457602 is about 343.2943948886.

The spelling of 40457602 in words is "forty million, four hundred fifty-seven thousand, six hundred two".