40626499 has 2 divisors, whose sum is σ = 40626500. Its totient is φ = 40626498.

The previous prime is 40626493. The next prime is 40626527. The reversal of 40626499 is 99462604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40626499 is a prime.

It is not a weakly prime, because it can be changed into another prime (40626493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20313249 + 20313250.

It is an arithmetic number, because the mean of its divisors is an integer number (20313250).

Almost surely, 2^40626499 is an apocalyptic number.

40626499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40626499 is an equidigital number, since it uses as much as digits as its factorization.

40626499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 40626499 is about 6373.8919821409. The cubic root of 40626499 is about 343.7714448770.

The spelling of 40626499 in words is "forty million, six hundred twenty-six thousand, four hundred ninety-nine".