40069598 has 4 divisors (see below), whose sum is σ = 60104400. Its totient is φ = 20034798.

The previous prime is 40069597. The next prime is 40069609. The reversal of 40069598 is 89596004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40069591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017398 + ... + 10017401.

It is an arithmetic number, because the mean of its divisors is an integer number (15026100).

Almost surely, 2^40069598 is an apocalyptic number.

40069598 is a deficient number, since it is larger than the sum of its proper divisors (20034802).

40069598 is a wasteful number, since it uses less digits than its factorization.

40069598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20034801.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 40069598 is about 6330.0551340411. The cubic root of 40069598 is about 342.1934259157.

The spelling of 40069598 in words is "forty million, sixty-nine thousand, five hundred ninety-eight".