40046626 has 4 divisors (see below), whose sum is σ = 60069942. Its totient is φ = 20023312.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046626 is 62664004.

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

It can be written as a sum of positive squares in only one way, i.e., 25492401 + 14554225 = 5049^2 + 3815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40046594 and 40046603.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011655 + ... + 10011658.

Almost surely, 2^40046626 is an apocalyptic number.

40046626 is a deficient number, since it is larger than the sum of its proper divisors (20023316).

40046626 is a wasteful number, since it uses less digits than its factorization.

40046626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023315.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40046626 is about 6328.2403557387. The cubic root of 40046626 is about 342.1280199682.

The spelling of 40046626 in words is "forty million, forty-six thousand, six hundred twenty-six".