40428346630 has 32 divisors (see below), whose sum is σ = 83294339904. Its totient is φ = 13839904896.

The previous prime is 40428346619. The next prime is 40428346657. The reversal of 40428346630 is 3664382404.

It is a super-2 number, since 2×40428346630² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396517 + ... + 487936.

It is an arithmetic number, because the mean of its divisors is an integer number (2602948122).

Almost surely, 2^40428346630 is an apocalyptic number.

40428346630 is an abundant number, since it is smaller than the sum of its proper divisors (42865993274).

40428346630 is a wasteful number, since it uses less digits than its factorization.

40428346630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885120.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 40428346630 in words is "forty billion, four hundred twenty-eight million, three hundred forty-six thousand, six hundred thirty".