42203569725 has 240 divisors, whose sum is σ = 86803301376. Its totient is φ = 20176128000.

The previous prime is 42203569721. The next prime is 42203569729. The reversal of 42203569725 is 52796530224.

42203569725 is a `hidden beast` number, since 4 + 220 + 356 + 9 + 72 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (42203569721) and next prime (42203569729).

It is not a de Polignac number, because 42203569725 - 2² = 42203569721 is a prime.

It is a super-2 number, since 2×42203569725² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203569721) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 75769147 + ... + 75769703.

Almost surely, 2^42203569725 is an apocalyptic number.

42203569725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42203569725 is an abundant number, since it is smaller than the sum of its proper divisors (44599731651).

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

42203569725 is a wasteful number, since it uses less digits than its factorization.

42203569725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 42203569725 in words is "forty-two billion, two hundred three million, five hundred sixty-nine thousand, seven hundred twenty-five".