40783932 has 96 divisors (see below), whose sum is σ = 122662400. Its totient is φ = 11477376.

The previous prime is 40783931. The next prime is 40783961. The reversal of 40783932 is 23938704.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54819 + ... + 55557.

Almost surely, 2^40783932 is an apocalyptic number.

40783932 is a gapful number since it is divisible by the number (42) 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 40783932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61331200).

40783932 is an abundant number, since it is smaller than the sum of its proper divisors (81878468).

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

40783932 is a wasteful number, since it uses less digits than its factorization.

40783932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40783932 is about 6386.2298737205. The cubic root of 40783932 is about 344.2149256323.

The spelling of 40783932 in words is "forty million, seven hundred eighty-three thousand, nine hundred thirty-two".