40483840 has 44 divisors (see below), whose sum is σ = 97126056. Its totient is φ = 16191488.

The previous prime is 40483801. The next prime is 40483843. The reversal of 40483840 is 4838404.

It is a super-2 number, since 2×40483840² = 3277882602291200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40483843) 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, 1167 + ... + 9073.

Almost surely, 2^40483840 is an apocalyptic number.

40483840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40483840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48563028).

40483840 is an abundant number, since it is smaller than the sum of its proper divisors (56642216).

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

40483840 is an equidigital number, since it uses as much as digits as its factorization.

40483840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7914 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 40483840 is about 6362.6912544929. The cubic root of 40483840 is about 343.3685911781.

The spelling of 40483840 in words is "forty million, four hundred eighty-three thousand, eight hundred forty".