40298915 has 8 divisors (see below), whose sum is σ = 49918848. Its totient is φ = 31199040.

The previous prime is 40298903. The next prime is 40298939. The reversal of 40298915 is 51989204.

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

It is not a de Polignac number, because 40298915 - 2¹⁰ = 40297891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129842 + ... + 130151.

It is an arithmetic number, because the mean of its divisors is an integer number (6239856).

Almost surely, 2^40298915 is an apocalyptic number.

40298915 is a deficient number, since it is larger than the sum of its proper divisors (9619933).

40298915 is a wasteful number, since it uses less digits than its factorization.

40298915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260029.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 40298915 is about 6348.1426417496. The cubic root of 40298915 is about 342.8449718315.

The spelling of 40298915 in words is "forty million, two hundred ninety-eight thousand, nine hundred fifteen".