40758499 has 2 divisors, whose sum is σ = 40758500. Its totient is φ = 40758498.

The previous prime is 40758493. The next prime is 40758517. The reversal of 40758499 is 99485704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40758499 - 2¹⁹ = 40234211 is a prime.

It is a super-4 number, since 4×40758499⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (40758493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20379249 + 20379250.

It is an arithmetic number, because the mean of its divisors is an integer number (20379250).

Almost surely, 2^40758499 is an apocalyptic number.

40758499 is a deficient number, since it is larger than the sum of its proper divisors (1).

40758499 is an equidigital number, since it uses as much as digits as its factorization.

40758499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 40758499 is about 6384.2383257519. The cubic root of 40758499 is about 344.1433595509.

The spelling of 40758499 in words is "forty million, seven hundred fifty-eight thousand, four hundred ninety-nine".