40783320 has 48 divisors (see below), whose sum is σ = 132546960. Its totient is φ = 10875456.

The previous prime is 40783283. The next prime is 40783343. The reversal of 40783320 is 2338704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56284 + ... + 57003.

It is an arithmetic number, because the mean of its divisors is an integer number (2761395).

Almost surely, 2^40783320 is an apocalyptic number.

40783320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40783320 is an abundant number, since it is smaller than the sum of its proper divisors (91763640).

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

40783320 is a wasteful number, since it uses less digits than its factorization.

40783320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113304 (or 113297 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40783320 is about 6386.1819579464. The cubic root of 40783320 is about 344.2132038710.

The spelling of 40783320 in words is "forty million, seven hundred eighty-three thousand, three hundred twenty".