40735420 has 24 divisors (see below), whose sum is σ = 93321648. Its totient is φ = 14812800.

The previous prime is 40735403. The next prime is 40735423. The reversal of 40735420 is 2453704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40735423) 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, 92361 + ... + 92800.

It is an arithmetic number, because the mean of its divisors is an integer number (3888402).

Almost surely, 2^40735420 is an apocalyptic number.

It is an amenable number.

40735420 is an abundant number, since it is smaller than the sum of its proper divisors (52586228).

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

40735420 is a wasteful number, since it uses less digits than its factorization.

40735420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185181 (or 185179 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40735420 is about 6382.4305714986. The cubic root of 40735420 is about 344.0783916352.

The spelling of 40735420 in words is "forty million, seven hundred thirty-five thousand, four hundred twenty".