40815434 has 8 divisors (see below), whose sum is σ = 66788928. Its totient is φ = 18552460.

The previous prime is 40815427. The next prime is 40815449. The reversal of 40815434 is 43451804.

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

It is a junction number, because it is equal to n+sod(n) for n = 40815397 and 40815406.

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, 927602 + ... + 927645.

It is an arithmetic number, because the mean of its divisors is an integer number (8348616).

Almost surely, 2^40815434 is an apocalyptic number.

40815434 is a deficient number, since it is larger than the sum of its proper divisors (25973494).

40815434 is a wasteful number, since it uses less digits than its factorization.

40815434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855260.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40815434 is about 6388.6957980483. The cubic root of 40815434 is about 344.3035280743.

The spelling of 40815434 in words is "forty million, eight hundred fifteen thousand, four hundred thirty-four".