40378498 has 8 divisors (see below), whose sum is σ = 62656380. Its totient is φ = 19493040.

The previous prime is 40378489. The next prime is 40378511. The reversal of 40378498 is 89487304.

It can be written as a sum of positive squares in 2 ways, for example, as 34963569 + 5414929 = 5913^2 + 2327^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348033 + ... + 348148.

Almost surely, 2^40378498 is an apocalyptic number.

40378498 is a deficient number, since it is larger than the sum of its proper divisors (22277882).

40378498 is a wasteful number, since it uses less digits than its factorization.

40378498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696212.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 40378498 is about 6354.4077615463. The cubic root of 40378498 is about 343.0705088412.

The spelling of 40378498 in words is "forty million, three hundred seventy-eight thousand, four hundred ninety-eight".