40550832 has 120 divisors (see below), whose sum is σ = 132506400. Its totient is φ = 11571840.

The previous prime is 40550819. The next prime is 40550837. The reversal of 40550832 is 23805504.

It is a junction number, because it is equal to n+sod(n) for n = 40550796 and 40550805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48982 + ... + 49802.

It is an arithmetic number, because the mean of its divisors is an integer number (1104220).

Almost surely, 2^40550832 is an apocalyptic number.

40550832 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 40550832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66253200).

40550832 is an abundant number, since it is smaller than the sum of its proper divisors (91955568).

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

40550832 is a wasteful number, since it uses less digits than its factorization.

40550832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40550832 is about 6367.9535174183. The cubic root of 40550832 is about 343.5578870553.

The spelling of 40550832 in words is "forty million, five hundred fifty thousand, eight hundred thirty-two".