40626436 has 6 divisors (see below), whose sum is σ = 71096270. Its totient is φ = 20313216.

The previous prime is 40626433. The next prime is 40626437. The reversal of 40626436 is 63462604.

It can be written as a sum of positive squares in only one way, i.e., 20430400 + 20196036 = 4520^2 + 4494^2 .

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 40626398 and 40626407.

It is not an unprimeable number, because it can be changed into a prime (40626431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078301 + ... + 5078308.

Almost surely, 2^40626436 is an apocalyptic number.

It is an amenable number.

40626436 is a deficient number, since it is larger than the sum of its proper divisors (30469834).

40626436 is a wasteful number, since it uses less digits than its factorization.

40626436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156613 (or 10156611 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 40626436 is about 6373.8870401036. The cubic root of 40626436 is about 343.7712671801.

The spelling of 40626436 in words is "forty million, six hundred twenty-six thousand, four hundred thirty-six".