42450499 has 12 divisors (see below), whose sum is σ = 52323376. Its totient is φ = 33538032.

The previous prime is 42450497. The next prime is 42450517. The reversal of 42450499 is 99405424.

It is a happy number.

It is not a de Polignac number, because 42450499 - 2¹ = 42450497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42450491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61812 + ... + 62494.

Almost surely, 2^42450499 is an apocalyptic number.

42450499 is a deficient number, since it is larger than the sum of its proper divisors (9872877).

42450499 is an frugal number, since it uses more digits than its factorization.

42450499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 42450499 is about 6515.4047456777. The cubic root of 42450499 is about 348.8410619383.

The spelling of 42450499 in words is "forty-two million, four hundred fifty thousand, four hundred ninety-nine".