42751456 has 24 divisors (see below), whose sum is σ = 91819224. Its totient is φ = 19432320.

The previous prime is 42751433. The next prime is 42751469. The reversal of 42751456 is 65415724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60375 + ... + 61078.

It is an arithmetic number, because the mean of its divisors is an integer number (3825801).

Almost surely, 2^42751456 is an apocalyptic number.

It is an amenable number.

42751456 is an abundant number, since it is smaller than the sum of its proper divisors (49067768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42751456 is a wasteful number, since it uses less digits than its factorization.

42751456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121474 (or 121466 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 42751456 is about 6538.4597574658. The cubic root of 42751456 is about 349.6635024380.

The spelling of 42751456 in words is "forty-two million, seven hundred fifty-one thousand, four hundred fifty-six".