40253398 has 8 divisors (see below), whose sum is σ = 60455592. Its totient is φ = 20101536.

The previous prime is 40253359. The next prime is 40253401. The reversal of 40253398 is 89335204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515 + ... + 13822.

It is an arithmetic number, because the mean of its divisors is an integer number (7556949).

Almost surely, 2^40253398 is an apocalyptic number.

40253398 is a deficient number, since it is larger than the sum of its proper divisors (20202194).

40253398 is a wasteful number, since it uses less digits than its factorization.

40253398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 40253398 is about 6344.5565644890. The cubic root of 40253398 is about 342.7158438423.

The spelling of 40253398 in words is "forty million, two hundred fifty-three thousand, three hundred ninety-eight".