40588402 has 4 divisors (see below), whose sum is σ = 60882606. Its totient is φ = 20294200.

The previous prime is 40588397. The next prime is 40588403. The reversal of 40588402 is 20488504.

40588402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 31820881 + 8767521 = 5641^2 + 2961^2 .

It is not an unprimeable number, because it can be changed into a prime (40588403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10147099 + ... + 10147102.

Almost surely, 2^40588402 is an apocalyptic number.

40588402 is a deficient number, since it is larger than the sum of its proper divisors (20294204).

40588402 is a wasteful number, since it uses less digits than its factorization.

40588402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294203.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 40588402 is about 6370.9027617756. The cubic root of 40588402 is about 343.6639554556.

The spelling of 40588402 in words is "forty million, five hundred eighty-eight thousand, four hundred two".