40787028 has 36 divisors (see below), whose sum is σ = 103460448. Its totient is φ = 13548240.

The previous prime is 40787017. The next prime is 40787069. The reversal of 40787028 is 82078704.

40787028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40786983 and 40787001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9375 + ... + 13017.

Almost surely, 2^40787028 is an apocalyptic number.

It is an amenable number.

40787028 is an abundant number, since it is smaller than the sum of its proper divisors (62673420).

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

40787028 is a wasteful number, since it uses less digits than its factorization.

40787028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964 (or 3959 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 40787028 is about 6386.4722656565. The cubic root of 40787028 is about 344.2236354549.

The spelling of 40787028 in words is "forty million, seven hundred eighty-seven thousand, twenty-eight".