42794480 has 20 divisors (see below), whose sum is σ = 99497352. Its totient is φ = 17117760.

The previous prime is 42794473. The next prime is 42794483. The reversal of 42794480 is 8449724.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42794483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267386 + ... + 267545.

Almost surely, 2^42794480 is an apocalyptic number.

42794480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42794480 is an abundant number, since it is smaller than the sum of its proper divisors (56702872).

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

42794480 is a wasteful number, since it uses less digits than its factorization.

42794480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534944 (or 534938 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42794480 is about 6541.7490016050. The cubic root of 42794480 is about 349.7807606567.

The spelling of 42794480 in words is "forty-two million, seven hundred ninety-four thousand, four hundred eighty".