40291298 has 8 divisors (see below), whose sum is σ = 62070492. Its totient is φ = 19601136.

The previous prime is 40291283. The next prime is 40291313. The reversal of 40291298 is 89219204.

It is an interprime number because it is at equal distance from previous prime (40291283) and next prime (40291313).

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 6889 = 6347^2 + 83^2 .

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

It is a Curzon 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, 272165 + ... + 272312.

Almost surely, 2^40291298 is an apocalyptic number.

40291298 is a deficient number, since it is larger than the sum of its proper divisors (21779194).

40291298 is a wasteful number, since it uses less digits than its factorization.

40291298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544516.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 40291298 is about 6347.5426741378. The cubic root of 40291298 is about 342.8233698049.

The spelling of 40291298 in words is "forty million, two hundred ninety-one thousand, two hundred ninety-eight".