40602128 has 40 divisors (see below), whose sum is σ = 90357312. Its totient is φ = 17313408.

The previous prime is 40602127. The next prime is 40602139. The reversal of 40602128 is 82120604.

It is not an unprimeable number, because it can be changed into a prime (40602127) 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, 24626 + ... + 26222.

Almost surely, 2^40602128 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 40602128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45178656).

40602128 is an abundant number, since it is smaller than the sum of its proper divisors (49755184).

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

40602128 is a wasteful number, since it uses less digits than its factorization.

40602128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 40602128 is about 6371.9799120838. The cubic root of 40602128 is about 343.7026906573.

The spelling of 40602128 in words is "forty million, six hundred two thousand, one hundred twenty-eight".