40319298 has 12 divisors (see below), whose sum is σ = 87358518. Its totient is φ = 13439760.

The previous prime is 40319281. The next prime is 40319303. The reversal of 40319298 is 89291304.

It can be written as a sum of positive squares in only one way, i.e., 40030929 + 288369 = 6327^2 + 537^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1119963 + ... + 1119998.

Almost surely, 2^40319298 is an apocalyptic number.

40319298 is an abundant number, since it is smaller than the sum of its proper divisors (47039220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40319298 is a wasteful number, since it uses less digits than its factorization.

40319298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239969 (or 2239966 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 40319298 is about 6349.7478690102. The cubic root of 40319298 is about 342.9027652087.

It can be divided in two parts, 403 and 19298, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 40319298 in words is "forty million, three hundred nineteen thousand, two hundred ninety-eight".