42757620440 has 16 divisors (see below), whose sum is σ = 96204646080. Its totient is φ = 17103048160.

The previous prime is 42757620427. The next prime is 42757620443. The reversal of 42757620440 is 4402675724.

It is a super-2 number, since 2×42757620440² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42757620443) 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 3 ways as a sum of consecutive naturals, for example, 534470216 + ... + 534470295.

It is an arithmetic number, because the mean of its divisors is an integer number (6012790380).

Almost surely, 2^42757620440 is an apocalyptic number.

42757620440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42757620440 is an abundant number, since it is smaller than the sum of its proper divisors (53447025640).

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

42757620440 is a wasteful number, since it uses less digits than its factorization.

42757620440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068940522 (or 1068940518 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 42757620440 in words is "forty-two billion, seven hundred fifty-seven million, six hundred twenty thousand, four hundred forty".