40319498 has 4 divisors (see below), whose sum is σ = 60479250. Its totient is φ = 20159748.

The previous prime is 40319497. The next prime is 40319507. The reversal of 40319498 is 89491304.

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., 40233649 + 85849 = 6343^2 + 293^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40319497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10079873 + ... + 10079876.

Almost surely, 2^40319498 is an apocalyptic number.

40319498 is a deficient number, since it is larger than the sum of its proper divisors (20159752).

40319498 is a wasteful number, since it uses less digits than its factorization.

40319498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159751.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 40319498 is about 6349.7636176475. The cubic root of 40319498 is about 342.9033321865.

The spelling of 40319498 in words is "forty million, three hundred nineteen thousand, four hundred ninety-eight".