42950565920 has 48 divisors (see below), whose sum is σ = 101702018880. Its totient is φ = 17141063424.

The previous prime is 42950565893. The next prime is 42950565923. The reversal of 42950565920 is 2956505924.

It is a super-2 number, since 2×42950565920² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42950565923) 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, 235502 + ... + 375981.

It is an arithmetic number, because the mean of its divisors is an integer number (2118792060).

Almost surely, 2^42950565920 is an apocalyptic number.

42950565920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42950565920 is an abundant number, since it is smaller than the sum of its proper divisors (58751452960).

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

42950565920 is a wasteful number, since it uses less digits than its factorization.

42950565920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611937 (or 611929 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 42950565920 in words is "forty-two billion, nine hundred fifty million, five hundred sixty-five thousand, nine hundred twenty".