40487738 has 8 divisors (see below), whose sum is σ = 60836832. Its totient is φ = 20208796.

The previous prime is 40487729. The next prime is 40487743. The reversal of 40487738 is 83778404.

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 = 40487695 and 40487704.

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, 16070 + ... + 18417.

It is an arithmetic number, because the mean of its divisors is an integer number (7604604).

Almost surely, 2^40487738 is an apocalyptic number.

40487738 is a deficient number, since it is larger than the sum of its proper divisors (20349094).

40487738 is a wasteful number, since it uses less digits than its factorization.

40487738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 40487738 is about 6362.9975640417. The cubic root of 40487738 is about 343.3796112774.

The spelling of 40487738 in words is "forty million, four hundred eighty-seven thousand, seven hundred thirty-eight".