40074240 has 88 divisors (see below), whose sum is σ = 128224080. Its totient is φ = 10682368.

The previous prime is 40074233. The next prime is 40074271. The reversal of 40074240 is 4247004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14056 + ... + 16664.

Almost surely, 2^40074240 is an apocalyptic number.

40074240 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 40074240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64112040).

40074240 is an abundant number, since it is smaller than the sum of its proper divisors (88149840).

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

40074240 is a wasteful number, since it uses less digits than its factorization.

40074240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 40074240 is about 6330.4217868954. The cubic root of 40074240 is about 342.2066395958.

The spelling of 40074240 in words is "forty million, seventy-four thousand, two hundred forty".