42450477 has 8 divisors (see below), whose sum is σ = 56633760. Its totient is φ = 28283760.

The previous prime is 42450451. The next prime is 42450487. The reversal of 42450477 is 77405424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42450477 - 2⁷ = 42450349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4299 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (7079220).

Almost surely, 2^42450477 is an apocalyptic number.

It is an amenable number.

42450477 is a deficient number, since it is larger than the sum of its proper divisors (14183283).

42450477 is a wasteful number, since it uses less digits than its factorization.

42450477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 42450477 is about 6515.4030573710. The cubic root of 42450477 is about 348.8410016759.

It can be divided in two parts, 424504 and 77, that added together give a triangular number (424581 = T₉₂₁).

The spelling of 42450477 in words is "forty-two million, four hundred fifty thousand, four hundred seventy-seven".