40740804 has 72 divisors (see below), whose sum is σ = 111663552. Its totient is φ = 12450240.

The previous prime is 40740803. The next prime is 40740827. The reversal of 40740804 is 40804704.

It is a super-2 number, since 2×40740804² = 3319626221132832, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40740803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122919 + ... + 123249.

Almost surely, 2^40740804 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 40740804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55831776).

40740804 is an abundant number, since it is smaller than the sum of its proper divisors (70922748).

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

40740804 is a wasteful number, since it uses less digits than its factorization.

40740804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40740804 is about 6382.8523404509. The cubic root of 40740804 is about 344.0935499131.

The spelling of 40740804 in words is "forty million, seven hundred forty thousand, eight hundred four".