40042848 has 24 divisors (see below), whose sum is σ = 105112728. Its totient is φ = 13347584.

The previous prime is 40042841. The next prime is 40042853. The reversal of 40042848 is 84824004.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×40042848² = 3206859351902208, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) 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 (40042841) 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, 208461 + ... + 208652.

It is an arithmetic number, because the mean of its divisors is an integer number (4379697).

Almost surely, 2^40042848 is an apocalyptic number.

40042848 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40042848 is an abundant number, since it is smaller than the sum of its proper divisors (65069880).

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

40042848 is a wasteful number, since it uses less digits than its factorization.

40042848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417126 (or 417118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 40042848 is about 6327.9418454976. The cubic root of 40042848 is about 342.1172608403.

The spelling of 40042848 in words is "forty million, forty-two thousand, eight hundred forty-eight".