40428134757 has 36 divisors (see below), whose sum is σ = 59727114720. Its totient is φ = 26343927120.

The previous prime is 40428134753. The next prime is 40428134833. The reversal of 40428134757 is 75743182404.

40428134757 is a `hidden beast` number, since 40 + 428 + 134 + 7 + 57 = 666.

It is not a de Polignac number, because 40428134757 - 2² = 40428134753 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40428134753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19370368 + ... + 19372454.

It is an arithmetic number, because the mean of its divisors is an integer number (1659086520).

Almost surely, 2^40428134757 is an apocalyptic number.

It is an amenable number.

40428134757 is a deficient number, since it is larger than the sum of its proper divisors (19298979963).

40428134757 is a wasteful number, since it uses less digits than its factorization.

40428134757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2340 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 40428134757 in words is "forty billion, four hundred twenty-eight million, one hundred thirty-four thousand, seven hundred fifty-seven".