40735428 has 12 divisors (see below), whose sum is σ = 95049360. Its totient is φ = 13578472.

The previous prime is 40735423. The next prime is 40735433. The reversal of 40735428 is 82453704.

It is an interprime number because it is at equal distance from previous prime (40735423) and next prime (40735433).

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 1697298 + ... + 1697321.

It is an arithmetic number, because the mean of its divisors is an integer number (7920780).

Almost surely, 2^40735428 is an apocalyptic number.

It is an amenable number.

40735428 is an abundant number, since it is smaller than the sum of its proper divisors (54313932).

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

40735428 is a wasteful number, since it uses less digits than its factorization.

40735428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394626 (or 3394624 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40735428 is about 6382.4311982191. The cubic root of 40735428 is about 344.0784141596.

The spelling of 40735428 in words is "forty million, seven hundred thirty-five thousand, four hundred twenty-eight".