42530251300 has 18 divisors (see below), whose sum is σ = 92290645538. Its totient is φ = 17012100480.

The previous prime is 42530251289. The next prime is 42530251327. The reversal of 42530251300 is 315203524.

It can be written as a sum of positive squares in 3 ways, for example, as 1974735844 + 40555515456 = 44438^2 + 201384^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212651157 + ... + 212651356.

Almost surely, 2^42530251300 is an apocalyptic number.

It is an amenable number.

42530251300 is an abundant number, since it is smaller than the sum of its proper divisors (49760394238).

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

42530251300 is a wasteful number, since it uses less digits than its factorization.

42530251300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425302527 (or 425302520 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 42530251300 its reverse (315203524), we get a palindrome (42845454824).

The spelling of 42530251300 in words is "forty-two billion, five hundred thirty million, two hundred fifty-one thousand, three hundred".