40373424 has 240 divisors, whose sum is σ = 145228800. Its totient is φ = 10513152.

The previous prime is 40373413. The next prime is 40373429. The reversal of 40373424 is 42437304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 511017 + ... + 511095.

It is an arithmetic number, because the mean of its divisors is an integer number (605120).

Almost surely, 2^40373424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40373424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72614400).

40373424 is an abundant number, since it is smaller than the sum of its proper divisors (104855376).

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

40373424 is a wasteful number, since it uses less digits than its factorization.

40373424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 40373424 is about 6354.0084985779. The cubic root of 40373424 is about 343.0561380517.

The spelling of 40373424 in words is "forty million, three hundred seventy-three thousand, four hundred twenty-four".