42015651050 has 12 divisors (see below), whose sum is σ = 78149111046. Its totient is φ = 16806260400.

The previous prime is 42015651047. The next prime is 42015651103. The reversal of 42015651050 is 5015651024.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40521287401 + 1494363649 = 201299^2 + 38657^2 .

It is a super-2 number, since 2×42015651050² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 420156461 + ... + 420156560.

Almost surely, 2^42015651050 is an apocalyptic number.

42015651050 is a deficient number, since it is larger than the sum of its proper divisors (36133459996).

42015651050 is a wasteful number, since it uses less digits than its factorization.

42015651050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840313033 (or 840313028 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 42015651050 in words is "forty-two billion, fifteen million, six hundred fifty-one thousand, fifty".