40373920 has 48 divisors (see below), whose sum is σ = 96018048. Its totient is φ = 16042240.

The previous prime is 40373909. The next prime is 40373923. The reversal of 40373920 is 2937304.

It is not an unprimeable number, because it can be changed into a prime (40373923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25965 + ... + 27475.

It is an arithmetic number, because the mean of its divisors is an integer number (2000376).

Almost surely, 2^40373920 is an apocalyptic number.

40373920 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 40373920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48009024).

40373920 is an abundant number, since it is smaller than the sum of its proper divisors (55644128).

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

40373920 is a wasteful number, since it uses less digits than its factorization.

40373920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 40373920 is about 6354.0475289378. The cubic root of 40373920 is about 343.0575428962.

The spelling of 40373920 in words is "forty million, three hundred seventy-three thousand, nine hundred twenty".