40823078 has 4 divisors (see below), whose sum is σ = 61234620. Its totient is φ = 20411538.

The previous prime is 40823071. The next prime is 40823093. The reversal of 40823078 is 87032804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40823071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205768 + ... + 10205771.

It is an arithmetic number, because the mean of its divisors is an integer number (15308655).

Almost surely, 2^40823078 is an apocalyptic number.

40823078 is a deficient number, since it is larger than the sum of its proper divisors (20411542).

40823078 is a wasteful number, since it uses less digits than its factorization.

40823078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411541.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40823078 is about 6389.2940142085. The cubic root of 40823078 is about 344.3250206947.

The spelling of 40823078 in words is "forty million, eight hundred twenty-three thousand, seventy-eight".