40298038 has 16 divisors (see below), whose sum is σ = 66873600. Its totient is φ = 18058600.

The previous prime is 40298033. The next prime is 40298051. The reversal of 40298038 is 83089204.

It is a junction number, because it is equal to n+sod(n) for n = 40297994 and 40298012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40298033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11338 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (4179600).

Almost surely, 2^40298038 is an apocalyptic number.

40298038 is a deficient number, since it is larger than the sum of its proper divisors (26575562).

40298038 is a wasteful number, since it uses less digits than its factorization.

40298038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25883.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40298038 is about 6348.0735660514. The cubic root of 40298038 is about 342.8424847735.

The spelling of 40298038 in words is "forty million, two hundred ninety-eight thousand, thirty-eight".