40348338 has 32 divisors (see below), whose sum is σ = 84749760. Its totient is φ = 12788160.

The previous prime is 40348331. The next prime is 40348379. The reversal of 40348338 is 83384304.

It is a junction number, because it is equal to n+sod(n) for n = 40348299 and 40348308.

It is not an unprimeable number, because it can be changed into a prime (40348331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9928 + ... + 13388.

It is an arithmetic number, because the mean of its divisors is an integer number (2648430).

Almost surely, 2^40348338 is an apocalyptic number.

40348338 is an abundant number, since it is smaller than the sum of its proper divisors (44401422).

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

40348338 is a wasteful number, since it uses less digits than its factorization.

40348338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 40348338 is about 6352.0341623766. The cubic root of 40348338 is about 342.9850707632.

The spelling of 40348338 in words is "forty million, three hundred forty-eight thousand, three hundred thirty-eight".